Henan Yinwang Trade Co., Ltd is a high-tech company mainly engaged in synthetic diamond and its related products. Being the first class in superabrasive area is our lasting aim. We have scientific management idea, perfect management procedure and excellent team, which guarantee the leading position of our products in this area. We can meet different needs of different clients. Our main products include: Synthetic diamond (big size diamond, small size diamond grit, synthetic diamond mono plate, diamond powder) CVD diamond PCD cutting tool blanks. Cutting and grinding tools (diamond dicing blade, resin bond diamond cutting wheel and vitrified bond CBN grinding wheel)