... 1.material including iron,steel, stainless steel,copper,aluminumetc 2.accurate ... props. Materialcarbon steel,galvanized steel sheet,iron,stainless steel,galvanized iron,copper, brass,aluminum,alloy steel,tinplate and ... other metals,alloy, Facilityelectric welder,Grinder,liner cutting,shearing machine, wending machine, stamping machine, welding machine , punching machine,turning ...