Division I professional production of silver copper commutator, trapezoidal copper, shaped copper. (May be off oxygen alloy strip, row has good electrical conductivity, thermal conductivity, corrosion resistance, abrasion resistance and excellent processing of hot and cold pressure performance, suitable for medium and high-speed motor commutator and other machinery, electronics, electrical appliances production of electrical products, timber). By Q/321283JTB04-2001 standard production, can also produce according to customer technical requirements