Synthetic Diamond, Diamond Drill Bit, Diamond Cutting Disc manufacturer / supplier in China, offering Single Crystal Optical Prism CVD Diamond for Optical Instruments with Low Nitrogen 1-10ppm All Sides Polished, Mcd Drawing Die Blanks Hpht Diamond Blanks 111 Oritention Diamond Dies for Super Fine Wire, 110 111 100 Orientated Single Crystal CVD Mcd Synthetic Industrial Lab Diamond Surface Polished and so on.