Copper price formula
TIME：2018-04-08CLICK：2157COME FROM：Los Copper, Copper Plate, Copper Strip, Copper Bar, Copper Tube, Copper Rod, Copper Foil, Copper Price, Haotai Copper
1. Copper plate / copper tape / copper foil: price per square = price per kilogram * per square weight
2. Brass Tube/Copper Rod/Copper Bar: Price per meter = Price per kilogram * Weight per meter
