Close-up of a certified ISO quality management certificate framed on a wall.
Close-up of a certified ISO quality management certificate framed on a wall.

Certified

Trusted quality backed by industry-standard certifications

Kaifeng Jinyu Superhard Technology’s team proudly holding their latest patent award.
Kaifeng Jinyu Superhard Technology’s team proudly holding their latest patent award.
Display of various diamond tool certifications and honors in a sleek corporate setting.
Display of various diamond tool certifications and honors in a sleek corporate setting.

Our Journey

From Wolong Diamond Factory to Jinlian Precision, over 30 years of expertise.

Historic black-and-white photo of the original Wolong Diamond Factory building.
Historic black-and-white photo of the original Wolong Diamond Factory building.
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Modern manufacturing floor with advanced diamond tool production machinery.
Modern manufacturing floor with advanced diamond tool production machinery.
Close-up of precision diamond cutting tools arranged neatly on a workbench.
Close-up of precision diamond cutting tools arranged neatly on a workbench.

Our Strengths

Combining R&D, production, and global service to deliver reliable, high-quality diamond tools.

Brand

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Contact

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