... other hardware industory and electric appliances.2)Material:aluminum,iron,steel,stainless,bress,copper etc.3)Process/treatment: ... machine, welding equipment, lathe, milling machine, surface grinder, universal grinder, radial drill. We have technical office, production sector ... enclosure JINYUAN sheet metal processingSwitch boxJB1041 metal control box,iron aluminum steel alloy HRS SPHC SPHD SPHE CRS ...