Phosphor bronze double metal materials, double metal materials, bearing shell material, steel strip, the company independent research and development, obtained a patent for invention, the alloy contains no heavy metal lead, in the main component products comply with the eu directive issued by the environmental protection request, is the present domestic manufacturing new "environmental protection" internal combustion engine bearing materials. Phosphor bronze bimetallic materials by the department of the organization's achievements appraisal of hunan province, won the science and technology progress third prize of hunan province, changsha city scientific and technological progress second prize, was identified as national key new products, high-tech products in hunan province. Products have been in the domestic several well-known manufacturers use of internal combustion engine.