Leading producer from Beijing Main Tool steel products: D2,H21,H13,H3,H4,H5,C1,LD,C3,440C Main HSS products: M2, M7,M35,M42,W9 We are China's largest high speed tool steel producer and leader of the Chinese Special Steel Association, with Sumitomo corperation as our second shareholder. Main products: High speed tool steel, PM high speed steel, high alloy tool steel, and other alloy steel. Main ...