Tool Steel, Precision Mould, Mold Making manufacturer / supplier in China, offering 1045/S45c/C45/1.0503 Cold-Drawn Carbon Steel/Alloy Steel Round and Plate, 8620 1.6523 Alloy Steel Round and Plate High Quality Special Steel, 6061 7075 Aluminium Alloy High-Strength Aerospace Aluminium and so on.