Because of China pushing new energy vehicles and the Paris climate agreement has come into force since November 4th,the world’s major car plants actively develop electric vehicles and the electrocar need so many copper foil for battery. A few years ago,the copper foil had been in the situation of oversupply that forced part of the copper foil plant shutout . There is about 6500 tons of the original PCB monthly production transform into battery grade coppper foil by now. And the increasingly wide use of electronic applications make the copper industry in short supply situation, and this situation will continue into next one or two years.