... drawing, annealing, chlorhydric acid washing, water washing, electro zinc coating, water washing, passivate bright treatment, drying and other ... /mm2Packing: in coils or spools, 10kg-1000kg/coil.Uses: for optical cable,spring,fishery,every kind of protective guard ... annealing, chlorhydric acid washing, water washing, hot dipped zinc coating, drying and other procedures, our product can achieve ...