... , M42, M2Al, W9, W18. Main Tool steel products: D2,H21,H13,H3,H4,H5,C1,LD,C3, ... and leader of the Chinese Special Steel Association, with Sumitomo corperation as our second shareholder. Main products: High speed ... tool steel, and other alloy steel. Main High speed steel products: M2, M7, M35, M42, M2Al, W9, W18 ... . Main Tool steel products: D2,H21,H13,H3,H4,H5,C1,LD,C3,440COutput of High Speed Steel in ...