Forging, Steel Forging, Forging Ring manufacturer / supplier in China, offering Leading Technology Unique Features Used for Automobiles and Ships Carbon Steel S20c S22c Hot Forging Bars Can Make Exle Shaft, China Factory Alloy Steel Round Bar 40cr 4140 4130 42CrMo Cr12 Cr12MOV H13 D2 Tool Steel Hot-Rolled AISI Standard, ASTM 4130 Alloy Material 4140 Steel Round Bar 50mm 60mm 80mm AISI 4150 Round Steel Price and so on.