Shenzhen Haohaichang Industrial Co.,Ltd is one of the top level motor controller pcb board conductive stainless steel solder ... Western Uniondetailed description1. Raw material: Iron, Steel, Galvanized steel, Cold Rolled Steel (CRS), Mild steel, Stainless steel, Aluminum, Phosphor Copper, Brass, etc ... board.3.The materials of terminals are stainless steel, steel, copper, brass, aluminum, etc..4.With ...