Synthetic Diamond, Diamond Drill Bit, Diamond Cutting Disc manufacturer / supplier in China, offering 2mm 3mm 4mm 5mm Hpht Yellow Rough Diamond Abrasives Lab Grown Diamond for Industry and Jewelry, Mono Crystal Abrasives Grits Lab Grown Raw Uncut Yellow Hpht Rough Diamond, Large Industrial Monocrystal Yellow Artificial Abrasives Synthetic CVD Hpht Diamond and so on.