the copper bar, bar copper 1. ISO9001:2008 2.diameter 6mm-80mm 81mm-150mm 3. ... 4ppm 1. Commodity : oxygen free copper bar , continuous cast copper bar , copper flat bar ,copper ground bar , copper bars , bar copper 2. Origin : china.3. Reference ... can supply2000 ton on regular monthly9.wooden packaging,Plastics Packaging copper bar with good conductibility