Susie Li is one of the leading manufacturers and leading supplier of special steel, tool steel, alloy steel, plastic mould steel, carbon steel, hss steel, high speed steel, cold work tool steel, hot work tool steel, steel pipe, hollow bar, steel tube, steel 1045, steel 4140, steel 4340, steel 8620, steel d2, steel 1.2311. Our products are known for reliability and high performance.