Henan SFD superhard materials Co., Ltd. (former Henan Quartet Superhard Materials Co., Ltd.) was founded in 1997, is specialized in the production of diamond and its products of high-tech enterprises. Companies to provide high-quality diamond products, and fully meet customer demand for business purposes, relying on a strong R & D strength, superior product quality, stable performance, optimal cost and improve service home and abroad. Main products are: PDC, polycrystalline diamond wire drawing die blanks, PCD composite sheet, PCBN composite sheet, PCD PCBN inserts, PDC cutter, diamond DTH bits, diamond grinding wheel. Stock code: 300179. SFD diamond products, using high-quality diamond raw material, widely used in mining, oil drilling, carbide processing, automobile manufacturing, ceramics processing, optical glass, precious stones and machining, Henan SFD is China's only and the world one of the few complete production line, the product reached diamond manufacturers international level. Our products are not only popular in China, but also exported to Europe, America, Africa, Southeast Asia, more than one hundred and regions. Quality improvement, service never limit is our tireless pursuit of the Quartet of people! To provide you with products and services is our wish! SFD willing to work with new and old customers to create a better future!