: CVD Diamonds Industry Leader CVD industry leader, advancing in color, clarity, specialized in 1-5 carats, the best quality

: As Grown CVD Diamonds As grown CVD diamonds, without HPHT treatment

: R&D Pioneer Breaking through technology MPCVD, enhanced from quality to quantity, lower energy cost

: Top Class Manufacturer World-leading class manufacturer and quality control

: Ethical & Eco Friendly Produce ethical diamonds in a sustainable and eco-friendly way

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Fire Drill｜Fire needs prevention

Profoundly implement the spirit of "life first, safety first, prevention first" ......More

As-Grown纯自然生长拒绝后处理

钻石的一些改色改净度方法，你都知道吗？ ......More

Gather All Heart, Embark New Journey, 6th Annual Neeting of Zhengshi Technology was Held Grandly

On March 13,2021,6th annual meeting of Zhengshi Technology was held in Shanghai Pullman hotel grandly. ......More

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