... a member of Metallurgical Parts Service Center of China Iron and Steel Association, and with advanced manufacturing and ... and good surface finish, our Chill Alloy Casting Iron Plunger Pistons and Alloy Ductile Casting Hydraulic Rolls are ... Machinery, Steel Wire, Strap, Sheet and other shaped steel rolling mill machinery, Shoemaking Machinery, Flat Vulcanizing Machinery, Woodworking Machinery, ...