... 6000meters in 0.2mm thickness2,transformer: patented trimming,ensure the edge in right angle3,photovoltaic copper belt: 100%conductivity ,45 ... clean surface,steady tolerance, neat ribbon,used for electroplating and high speed punch6,heat exchanger: applied in nuclear power plant and ... , chemical composition consistent with GB/T5121-1996 national standards. high performance c1100 copper strip coil