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(MASTEROFCRAFTS)CHINA-HENAN-GUILLOCHE (CN)

(220527) -- XINMI, May 27, 2022 (Xinhua) -- Cheng Yucai preprocesses a dial at his workshop in Xinmi City, central China's Henan Province, on May 23, 2022. Guilloche is a decorative technique in which a precise, intricate and repetitive pattern is mechanically engraved into a material via engine turning. The technique uses a machine controlled by the delicacy of the hand of craftsman. As an important process in making superior watch and jewelry, the art is now mastered by rarely few people. Cheng Yucai, born in 1978, got to know Guilloche in 2013 when he saw a cigarette case decorated with the technique. He was attracted by the delicacy and decided to devote himself into the art. In 2015, he resigned from his work in a silverwork factory and began his career in Guilloche. After countless failures and costs of materials, Cheng finally created an integrated Guilloche machine, which was granted with the country's patent of invention in 2017. His skills also amazed professional judges during the first nation

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(MASTEROFCRAFTS)CHINA-HENAN-GUILLOCHE (CN)

(220527) -- XINMI, May 27, 2022 (Xinhua) -- Cheng Yucai processes a dial at his workshop in Xinmi City, central China's Henan Province, on May 23, 2022. Guilloche is a decorative technique in which a precise, intricate and repetitive pattern is mechanically engraved into a material via engine turning. The technique uses a machine controlled by the delicacy of the hand of craftsman. As an important process in making superior watch and jewelry, the art is now mastered by rarely few people. Cheng Yucai, born in 1978, got to know Guilloche in 2013 when he saw a cigarette case decorated with the technique. He was attracted by the delicacy and decided to devote himself into the art. In 2015, he resigned from his work in a silverwork factory and began his career in Guilloche. After countless failures and costs of materials, Cheng finally created an integrated Guilloche machine, which was granted with the country's patent of invention in 2017. His skills also amazed professional judges during the first national

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(MASTEROFCRAFTS)CHINA-HENAN-GUILLOCHE (CN)

(220527) -- XINMI, May 27, 2022 (Xinhua) -- Cheng Yucai checks a processed dial at his workshop in Xinmi City, central China's Henan Province, on May 24, 2022. Guilloche is a decorative technique in which a precise, intricate and repetitive pattern is mechanically engraved into a material via engine turning. The technique uses a machine controlled by the delicacy of the hand of craftsman. As an important process in making superior watch and jewelry, the art is now mastered by rarely few people. Cheng Yucai, born in 1978, got to know Guilloche in 2013 when he saw a cigarette case decorated with the technique. He was attracted by the delicacy and decided to devote himself into the art. In 2015, he resigned from his work in a silverwork factory and began his career in Guilloche. After countless failures and costs of materials, Cheng finally created an integrated Guilloche machine, which was granted with the country's patent of invention in 2017. His skills also amazed professional judges during the first na

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(MASTEROFCRAFTS)CHINA-HENAN-GUILLOCHE (CN)

(220527) -- XINMI, May 27, 2022 (Xinhua) -- Cheng Yucai checks a processed dial at his workshop in Xinmi City, central China's Henan Province, on May 23, 2022. Guilloche is a decorative technique in which a precise, intricate and repetitive pattern is mechanically engraved into a material via engine turning. The technique uses a machine controlled by the delicacy of the hand of craftsman. As an important process in making superior watch and jewelry, the art is now mastered by rarely few people. Cheng Yucai, born in 1978, got to know Guilloche in 2013 when he saw a cigarette case decorated with the technique. He was attracted by the delicacy and decided to devote himself into the art. In 2015, he resigned from his work in a silverwork factory and began his career in Guilloche. After countless failures and costs of materials, Cheng finally created an integrated Guilloche machine, which was granted with the country's patent of invention in 2017. His skills also amazed professional judges during the first na

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(MASTEROFCRAFTS)CHINA-HENAN-GUILLOCHE (CN)

(220527) -- XINMI, May 27, 2022 (Xinhua) -- Cheng Yucai (L) explains the operation specifications of a Guilloche machine to his apprentices at his workshop in Xinmi City, central China's Henan Province, on May 24, 2022. Guilloche is a decorative technique in which a precise, intricate and repetitive pattern is mechanically engraved into a material via engine turning. The technique uses a machine controlled by the delicacy of the hand of craftsman. As an important process in making superior watch and jewelry, the art is now mastered by rarely few people. Cheng Yucai, born in 1978, got to know Guilloche in 2013 when he saw a cigarette case decorated with the technique. He was attracted by the delicacy and decided to devote himself into the art. In 2015, he resigned from his work in a silverwork factory and began his career in Guilloche. After countless failures and costs of materials, Cheng finally created an integrated Guilloche machine, which was granted with the country's patent of invention in 2017. Hi

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(MASTEROFCRAFTS)CHINA-HENAN-GUILLOCHE (CN)

(220527) -- XINMI, May 27, 2022 (Xinhua) -- Cheng Yucai checks a processed dial at his workshop in Xinmi City, central China's Henan Province, on May 24, 2022. Guilloche is a decorative technique in which a precise, intricate and repetitive pattern is mechanically engraved into a material via engine turning. The technique uses a machine controlled by the delicacy of the hand of craftsman. As an important process in making superior watch and jewelry, the art is now mastered by rarely few people. Cheng Yucai, born in 1978, got to know Guilloche in 2013 when he saw a cigarette case decorated with the technique. He was attracted by the delicacy and decided to devote himself into the art. In 2015, he resigned from his work in a silverwork factory and began his career in Guilloche. After countless failures and costs of materials, Cheng finally created an integrated Guilloche machine, which was granted with the country's patent of invention in 2017. His skills also amazed professional judges during the first na

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(MASTEROFCRAFTS)CHINA-HENAN-GUILLOCHE (CN)

(220527) -- XINMI, May 27, 2022 (Xinhua) -- Cheng Yucai works on a dial by a Guilloche machine at his workshop in Xinmi City, central China's Henan Province, on May 23, 2022. Guilloche is a decorative technique in which a precise, intricate and repetitive pattern is mechanically engraved into a material via engine turning. The technique uses a machine controlled by the delicacy of the hand of craftsman. As an important process in making superior watch and jewelry, the art is now mastered by rarely few people. Cheng Yucai, born in 1978, got to know Guilloche in 2013 when he saw a cigarette case decorated with the technique. He was attracted by the delicacy and decided to devote himself into the art. In 2015, he resigned from his work in a silverwork factory and began his career in Guilloche. After countless failures and costs of materials, Cheng finally created an integrated Guilloche machine, which was granted with the country's patent of invention in 2017. His skills also amazed professional judges duri

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(MASTEROFCRAFTS)CHINA-HENAN-GUILLOCHE (CN)

(220527) -- XINMI, May 27, 2022 (Xinhua) -- Cheng Yucai measures a processed dial at his workshop in Xinmi City, central China's Henan Province, on May 23, 2022. Guilloche is a decorative technique in which a precise, intricate and repetitive pattern is mechanically engraved into a material via engine turning. The technique uses a machine controlled by the delicacy of the hand of craftsman. As an important process in making superior watch and jewelry, the art is now mastered by rarely few people. Cheng Yucai, born in 1978, got to know Guilloche in 2013 when he saw a cigarette case decorated with the technique. He was attracted by the delicacy and decided to devote himself into the art. In 2015, he resigned from his work in a silverwork factory and began his career in Guilloche. After countless failures and costs of materials, Cheng finally created an integrated Guilloche machine, which was granted with the country's patent of invention in 2017. His skills also amazed professional judges during the first

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(MASTEROFCRAFTS)CHINA-HENAN-GUILLOCHE (CN)

(220527) -- XINMI, May 27, 2022 (Xinhua) -- Cheng Yucai engraves on a dial by a Guilloche machine at his workshop in Xinmi City, central China's Henan Province, on May 23, 2022. Guilloche is a decorative technique in which a precise, intricate and repetitive pattern is mechanically engraved into a material via engine turning. The technique uses a machine controlled by the delicacy of the hand of craftsman. As an important process in making superior watch and jewelry, the art is now mastered by rarely few people. Cheng Yucai, born in 1978, got to know Guilloche in 2013 when he saw a cigarette case decorated with the technique. He was attracted by the delicacy and decided to devote himself into the art. In 2015, he resigned from his work in a silverwork factory and began his career in Guilloche. After countless failures and costs of materials, Cheng finally created an integrated Guilloche machine, which was granted with the country's patent of invention in 2017. His skills also amazed professional judges d

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(MASTEROFCRAFTS)CHINA-HENAN-GUILLOCHE (CN)

(220527) -- XINMI, May 27, 2022 (Xinhua) -- Cheng Yucai (L) guides his apprentices in adjusting a Guilloche machine at his workshop in Xinmi City, central China's Henan Province, on May 24, 2022. Guilloche is a decorative technique in which a precise, intricate and repetitive pattern is mechanically engraved into a material via engine turning. The technique uses a machine controlled by the delicacy of the hand of craftsman. As an important process in making superior watch and jewelry, the art is now mastered by rarely few people. Cheng Yucai, born in 1978, got to know Guilloche in 2013 when he saw a cigarette case decorated with the technique. He was attracted by the delicacy and decided to devote himself into the art. In 2015, he resigned from his work in a silverwork factory and began his career in Guilloche. After countless failures and costs of materials, Cheng finally created an integrated Guilloche machine, which was granted with the country's patent of invention in 2017. His skills also amazed pro

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(MASTEROFCRAFTS)CHINA-HENAN-GUILLOCHE (CN)

(220527) -- XINMI, May 27, 2022 (Xinhua) -- Cheng Yucai's apprentice Li Jinghang adjusts the Guilloche machine at Cheng's workshop in Xinmi City, central China's Henan Province, on May 24, 2022. Guilloche is a decorative technique in which a precise, intricate and repetitive pattern is mechanically engraved into a material via engine turning. The technique uses a machine controlled by the delicacy of the hand of craftsman. As an important process in making superior watch and jewelry, the art is now mastered by rarely few people. Cheng Yucai, born in 1978, got to know Guilloche in 2013 when he saw a cigarette case decorated with the technique. He was attracted by the delicacy and decided to devote himself into the art. In 2015, he resigned from his work in a silverwork factory and began his career in Guilloche. After countless failures and costs of materials, Cheng finally created an integrated Guilloche machine, which was granted with the country's patent of invention in 2017. His skills also amazed prof

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(MASTEROFCRAFTS)CHINA-HENAN-GUILLOCHE (CN)

(220527) -- XINMI, May 27, 2022 (Xinhua) -- Cheng Yucai operates a Guilloche machine at his workshop in Xinmi City, central China's Henan Province, on May 24, 2022. Guilloche is a decorative technique in which a precise, intricate and repetitive pattern is mechanically engraved into a material via engine turning. The technique uses a machine controlled by the delicacy of the hand of craftsman. As an important process in making superior watch and jewelry, the art is now mastered by rarely few people. Cheng Yucai, born in 1978, got to know Guilloche in 2013 when he saw a cigarette case decorated with the technique. He was attracted by the delicacy and decided to devote himself into the art. In 2015, he resigned from his work in a silverwork factory and began his career in Guilloche. After countless failures and costs of materials, Cheng finally created an integrated Guilloche machine, which was granted with the country's patent of invention in 2017. His skills also amazed professional judges during the fir

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(MASTEROFCRAFTS)CHINA-HENAN-GUILLOCHE (CN)

(220527) -- XINMI, May 27, 2022 (Xinhua) -- Cheng Yucai selects dyestuff at his workshop in Xinmi City, central China's Henan Province, on May 24, 2022. Guilloche is a decorative technique in which a precise, intricate and repetitive pattern is mechanically engraved into a material via engine turning. The technique uses a machine controlled by the delicacy of the hand of craftsman. As an important process in making superior watch and jewelry, the art is now mastered by rarely few people. Cheng Yucai, born in 1978, got to know Guilloche in 2013 when he saw a cigarette case decorated with the technique. He was attracted by the delicacy and decided to devote himself into the art. In 2015, he resigned from his work in a silverwork factory and began his career in Guilloche. After countless failures and costs of materials, Cheng finally created an integrated Guilloche machine, which was granted with the country's patent of invention in 2017. His skills also amazed professional judges during the first national

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(MASTEROFCRAFTS)CHINA-HENAN-GUILLOCHE (CN)

(220527) -- XINMI, May 27, 2022 (Xinhua) -- Cheng Yucai grinds tools at his workshop in Xinmi City, central China's Henan Province, on May 24, 2022. Guilloche is a decorative technique in which a precise, intricate and repetitive pattern is mechanically engraved into a material via engine turning. The technique uses a machine controlled by the delicacy of the hand of craftsman. As an important process in making superior watch and jewelry, the art is now mastered by rarely few people. Cheng Yucai, born in 1978, got to know Guilloche in 2013 when he saw a cigarette case decorated with the technique. He was attracted by the delicacy and decided to devote himself into the art. In 2015, he resigned from his work in a silverwork factory and began his career in Guilloche. After countless failures and costs of materials, Cheng finally created an integrated Guilloche machine, which was granted with the country's patent of invention in 2017. His skills also amazed professional judges during the first national voca

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(MASTEROFCRAFTS)CHINA-HENAN-GUILLOCHE (CN)

(220527) -- XINMI, May 27, 2022 (Xinhua) -- Cheng Yucai's apprentices dismantle a Guilloche machine at Cheng's workshop in Xinmi City, central China's Henan Province, on May 24, 2022. Guilloche is a decorative technique in which a precise, intricate and repetitive pattern is mechanically engraved into a material via engine turning. The technique uses a machine controlled by the delicacy of the hand of craftsman. As an important process in making superior watch and jewelry, the art is now mastered by rarely few people. Cheng Yucai, born in 1978, got to know Guilloche in 2013 when he saw a cigarette case decorated with the technique. He was attracted by the delicacy and decided to devote himself into the art. In 2015, he resigned from his work in a silverwork factory and began his career in Guilloche. After countless failures and costs of materials, Cheng finally created an integrated Guilloche machine, which was granted with the country's patent of invention in 2017. His skills also amazed professional ju

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(MASTEROFCRAFTS)CHINA-HENAN-GUILLOCHE (CN)

(220527) -- XINMI, May 27, 2022 (Xinhua) -- Cheng Yucai checks a processed dial at his workshop in Xinmi City, central China's Henan Province, on May 24, 2022. Guilloche is a decorative technique in which a precise, intricate and repetitive pattern is mechanically engraved into a material via engine turning. The technique uses a machine controlled by the delicacy of the hand of craftsman. As an important process in making superior watch and jewelry, the art is now mastered by rarely few people. Cheng Yucai, born in 1978, got to know Guilloche in 2013 when he saw a cigarette case decorated with the technique. He was attracted by the delicacy and decided to devote himself into the art. In 2015, he resigned from his work in a silverwork factory and began his career in Guilloche. After countless failures and costs of materials, Cheng finally created an integrated Guilloche machine, which was granted with the country's patent of invention in 2017. His skills also amazed professional judges during the first na

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(MASTEROFCRAFTS)CHINA-HENAN-GUILLOCHE (CN)

(220527) -- XINMI, May 27, 2022 (Xinhua) -- Photo taken on May 24, 2022 shows tools of Cheng Yucai at his workshop in Xinmi City, central China's Henan Province. Guilloche is a decorative technique in which a precise, intricate and repetitive pattern is mechanically engraved into a material via engine turning. The technique uses a machine controlled by the delicacy of the hand of craftsman. As an important process in making superior watch and jewelry, the art is now mastered by rarely few people. Cheng Yucai, born in 1978, got to know Guilloche in 2013 when he saw a cigarette case decorated with the technique. He was attracted by the delicacy and decided to devote himself into the art. In 2015, he resigned from his work in a silverwork factory and began his career in Guilloche. After countless failures and costs of materials, Cheng finally created an integrated Guilloche machine, which was granted with the country's patent of invention in 2017. His skills also amazed professional judges during the first

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(MASTEROFCRAFTS)CHINA-HENAN-GUILLOCHE (CN)

(220527) -- XINMI, May 27, 2022 (Xinhua) -- Cheng Yucai washes a dial after heating it at his workshop in Xinmi City, central China's Henan Province, on May 24, 2022. Guilloche is a decorative technique in which a precise, intricate and repetitive pattern is mechanically engraved into a material via engine turning. The technique uses a machine controlled by the delicacy of the hand of craftsman. As an important process in making superior watch and jewelry, the art is now mastered by rarely few people. Cheng Yucai, born in 1978, got to know Guilloche in 2013 when he saw a cigarette case decorated with the technique. He was attracted by the delicacy and decided to devote himself into the art. In 2015, he resigned from his work in a silverwork factory and began his career in Guilloche. After countless failures and costs of materials, Cheng finally created an integrated Guilloche machine, which was granted with the country's patent of invention in 2017. His skills also amazed professional judges during the f

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(MASTEROFCRAFTS)CHINA-HENAN-GUILLOCHE (CN)

(220527) -- XINMI, May 27, 2022 (Xinhua) -- Cheng Yucai heats a processed dial at his workshop in Xinmi City, central China's Henan Province, on May 24, 2022. Guilloche is a decorative technique in which a precise, intricate and repetitive pattern is mechanically engraved into a material via engine turning. The technique uses a machine controlled by the delicacy of the hand of craftsman. As an important process in making superior watch and jewelry, the art is now mastered by rarely few people. Cheng Yucai, born in 1978, got to know Guilloche in 2013 when he saw a cigarette case decorated with the technique. He was attracted by the delicacy and decided to devote himself into the art. In 2015, he resigned from his work in a silverwork factory and began his career in Guilloche. After countless failures and costs of materials, Cheng finally created an integrated Guilloche machine, which was granted with the country's patent of invention in 2017. His skills also amazed professional judges during the first nat

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(MASTEROFCRAFTS)CHINA-HENAN-GUILLOCHE (CN)

(220527) -- XINMI, May 27, 2022 (Xinhua) -- Cheng Yucai (R) guides an apprentice to operate a Guilloche machine at his workshop in Xinmi City, central China's Henan Province, on May 24, 2022. Guilloche is a decorative technique in which a precise, intricate and repetitive pattern is mechanically engraved into a material via engine turning. The technique uses a machine controlled by the delicacy of the hand of craftsman. As an important process in making superior watch and jewelry, the art is now mastered by rarely few people. Cheng Yucai, born in 1978, got to know Guilloche in 2013 when he saw a cigarette case decorated with the technique. He was attracted by the delicacy and decided to devote himself into the art. In 2015, he resigned from his work in a silverwork factory and began his career in Guilloche. After countless failures and costs of materials, Cheng finally created an integrated Guilloche machine, which was granted with the country's patent of invention in 2017. His skills also amazed profess

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(MASTEROFCRAFTS)CHINA-HENAN-GUILLOCHE (CN)

(220527) -- XINMI, May 27, 2022 (Xinhua) -- Cheng Yucai's apprentices dismantle a Guilloche machine at Cheng's workshop in Xinmi City, central China's Henan Province, on May 24, 2022. Guilloche is a decorative technique in which a precise, intricate and repetitive pattern is mechanically engraved into a material via engine turning. The technique uses a machine controlled by the delicacy of the hand of craftsman. As an important process in making superior watch and jewelry, the art is now mastered by rarely few people. Cheng Yucai, born in 1978, got to know Guilloche in 2013 when he saw a cigarette case decorated with the technique. He was attracted by the delicacy and decided to devote himself into the art. In 2015, he resigned from his work in a silverwork factory and began his career in Guilloche. After countless failures and costs of materials, Cheng finally created an integrated Guilloche machine, which was granted with the country's patent of invention in 2017. His skills also amazed professional ju

E

(MASTEROFCRAFTS)CHINA-HENAN-GUILLOCHE (CN)

(220527) -- XINMI, May 27, 2022 (Xinhua) -- Cheng Yucai heats a processed dial at his workshop in Xinmi City, central China's Henan Province, on May 24, 2022. Guilloche is a decorative technique in which a precise, intricate and repetitive pattern is mechanically engraved into a material via engine turning. The technique uses a machine controlled by the delicacy of the hand of craftsman. As an important process in making superior watch and jewelry, the art is now mastered by rarely few people. Cheng Yucai, born in 1978, got to know Guilloche in 2013 when he saw a cigarette case decorated with the technique. He was attracted by the delicacy and decided to devote himself into the art. In 2015, he resigned from his work in a silverwork factory and began his career in Guilloche. After countless failures and costs of materials, Cheng finally created an integrated Guilloche machine, which was granted with the country's patent of invention in 2017. His skills also amazed professional judges during the first nat

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(MASTEROFCRAFTS)CHINA-HENAN-GUILLOCHE (CN)

(220527) -- XINMI, May 27, 2022 (Xinhua) -- Cheng Yucai's apprentices practice to operate Guilloche machines at his workshop in Xinmi City, central China's Henan Province, on May 24, 2022. Guilloche is a decorative technique in which a precise, intricate and repetitive pattern is mechanically engraved into a material via engine turning. The technique uses a machine controlled by the delicacy of the hand of craftsman. As an important process in making superior watch and jewelry, the art is now mastered by rarely few people. Cheng Yucai, born in 1978, got to know Guilloche in 2013 when he saw a cigarette case decorated with the technique. He was attracted by the delicacy and decided to devote himself into the art. In 2015, he resigned from his work in a silverwork factory and began his career in Guilloche. After countless failures and costs of materials, Cheng finally created an integrated Guilloche machine, which was granted with the country's patent of invention in 2017. His skills also amazed profession

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(MASTEROFCRAFTS)CHINA-HENAN-GUILLOCHE (CN)

(220527) -- XINMI, May 27, 2022 (Xinhua) -- Cheng Yucai draws lines on a dial at his workshop in Xinmi City, central China's Henan Province, on May 23, 2022. Guilloche is a decorative technique in which a precise, intricate and repetitive pattern is mechanically engraved into a material via engine turning. The technique uses a machine controlled by the delicacy of the hand of craftsman. As an important process in making superior watch and jewelry, the art is now mastered by rarely few people. Cheng Yucai, born in 1978, got to know Guilloche in 2013 when he saw a cigarette case decorated with the technique. He was attracted by the delicacy and decided to devote himself into the art. In 2015, he resigned from his work in a silverwork factory and began his career in Guilloche. After countless failures and costs of materials, Cheng finally created an integrated Guilloche machine, which was granted with the country's patent of invention in 2017. His skills also amazed professional judges during the first nati

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(MASTEROFCRAFTS)CHINA-HENAN-GUILLOCHE (CN)

(220527) -- XINMI, May 27, 2022 (Xinhua) -- Cheng Yucai measures the thickness of a dial at his workshop in Xinmi City, central China's Henan Province, on May 23, 2022. Guilloche is a decorative technique in which a precise, intricate and repetitive pattern is mechanically engraved into a material via engine turning. The technique uses a machine controlled by the delicacy of the hand of craftsman. As an important process in making superior watch and jewelry, the art is now mastered by rarely few people. Cheng Yucai, born in 1978, got to know Guilloche in 2013 when he saw a cigarette case decorated with the technique. He was attracted by the delicacy and decided to devote himself into the art. In 2015, he resigned from his work in a silverwork factory and began his career in Guilloche. After countless failures and costs of materials, Cheng finally created an integrated Guilloche machine, which was granted with the country's patent of invention in 2017. His skills also amazed professional judges during the

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(MASTEROFCRAFTS)CHINA-HENAN-GUILLOCHE (CN)

(220527) -- XINMI, May 27, 2022 (Xinhua) -- Cheng Yucai works on a dial by a Guilloche machine at his workshop in Xinmi City, central China's Henan Province, on May 23, 2022. Guilloche is a decorative technique in which a precise, intricate and repetitive pattern is mechanically engraved into a material via engine turning. The technique uses a machine controlled by the delicacy of the hand of craftsman. As an important process in making superior watch and jewelry, the art is now mastered by rarely few people. Cheng Yucai, born in 1978, got to know Guilloche in 2013 when he saw a cigarette case decorated with the technique. He was attracted by the delicacy and decided to devote himself into the art. In 2015, he resigned from his work in a silverwork factory and began his career in Guilloche. After countless failures and costs of materials, Cheng finally created an integrated Guilloche machine, which was granted with the country's patent of invention in 2017. His skills also amazed professional judges duri

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(MASTEROFCRAFTS)CHINA-HENAN-GUILLOCHE (CN)

(220527) -- XINMI, May 27, 2022 (Xinhua) -- Cheng Yucai fires enamel for works of Guilloche at his workshop in Xinmi City, central China's Henan Province, on May 24, 2022. Guilloche is a decorative technique in which a precise, intricate and repetitive pattern is mechanically engraved into a material via engine turning. The technique uses a machine controlled by the delicacy of the hand of craftsman. As an important process in making superior watch and jewelry, the art is now mastered by rarely few people. Cheng Yucai, born in 1978, got to know Guilloche in 2013 when he saw a cigarette case decorated with the technique. He was attracted by the delicacy and decided to devote himself into the art. In 2015, he resigned from his work in a silverwork factory and began his career in Guilloche. After countless failures and costs of materials, Cheng finally created an integrated Guilloche machine, which was granted with the country's patent of invention in 2017. His skills also amazed professional judges during

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(MASTEROFCRAFTS)CHINA-HENAN-GUILLOCHE (CN)

(220527) -- XINMI, May 27, 2022 (Xinhua) -- Photo taken on May 23, 2022 shows a processed dial at Cheng Yucai's workshop in Xinmi City, central China's Henan Province. Guilloche is a decorative technique in which a precise, intricate and repetitive pattern is mechanically engraved into a material via engine turning. The technique uses a machine controlled by the delicacy of the hand of craftsman. As an important process in making superior watch and jewelry, the art is now mastered by rarely few people. Cheng Yucai, born in 1978, got to know Guilloche in 2013 when he saw a cigarette case decorated with the technique. He was attracted by the delicacy and decided to devote himself into the art. In 2015, he resigned from his work in a silverwork factory and began his career in Guilloche. After countless failures and costs of materials, Cheng finally created an integrated Guilloche machine, which was granted with the country's patent of invention in 2017. His skills also amazed professional judges during the

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(MASTEROFCRAFTS)CHINA-HENAN-GUILLOCHE (CN)

(220527) -- XINMI, May 27, 2022 (Xinhua) -- Combo photo taken on May 24, 2022 shows Cheng Yucai's works of Guilloche at his workshop in Xinmi City, central China's Henan Province. Guilloche is a decorative technique in which a precise, intricate and repetitive pattern is mechanically engraved into a material via engine turning. The technique uses a machine controlled by the delicacy of the hand of craftsman. As an important process in making superior watch and jewelry, the art is now mastered by rarely few people. Cheng Yucai, born in 1978, got to know Guilloche in 2013 when he saw a cigarette case decorated with the technique. He was attracted by the delicacy and decided to devote himself into the art. In 2015, he resigned from his work in a silverwork factory and began his career in Guilloche. After countless failures and costs of materials, Cheng finally created an integrated Guilloche machine, which was granted with the country's patent of invention in 2017. His skills also amazed professional judges