Zhengzhou South-Diamond Industrial Co., Ltd., established in 2014 and based in the High-tech Zone of Zhengzhou, China, is a prominent manufacturer and exporter specializing in superhard materials. As a key member of the Henan superhard material industry, the company operates a large-scale production facility with a workforce of approximately 101 to 200 employees. The enterprise integrates research, production, and sales, maintaining a strong technical force supported by advanced manufacturing and testing equipment. Their operations are certified under ISO 9001 and ISO 14001 quality and environmental management systems.
The company's extensive product portfolio includes synthetic diamond powder, lab-grown diamonds (CVD and HPHT), industrial diamonds, and cubic boron nitride (CBN) abrasives. They are recognized for their "South Diamond" and "SMELT" brands, which offer high-performance materials such as diamond micron powder, PCD cutters, and diamond grinding wheels. These products serve as critical engineering and functional materials across diverse sectors, including aerospace, national defense, equipment manufacturing, electronic technology, and clean energy. Additionally, their large single-crystal diamonds are widely utilized in the jewelry industry as high-quality alternatives to natural diamonds.
Zhengzhou South-Diamond Industrial Co., Ltd. provides both standardized products and custom processing services to meet specific client requirements. Since 2019, the company has actively expanded its research through collaborations with scientific institutes to explore new applications for superhard materials. Committed to a "quality as the foundation" philosophy, the company serves both domestic and international markets with a focus on industrial and consumption upgrading.
Own brandOwns and operates its own brands and manufacturing facilities.
Product customizationOffers full customization for design and features.
Patented technologyHolds multiple product or process patents.
Industry association memberMember of Henan superhard material industry association.
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Certifications
ISO 14001
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International Organization for Standardization 14001
ISO 9001
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International Organization for Standardization 9001
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