Based on the industry status and background of China Nonferrous Metals Industry Information Center, Liyang focused on the production, consumption, marketing, management and policies of the non-ferrous metal industry, focusing on the non-ferrous metal industry information resources and promoting the coordinated development of non-ferrous metal industry. The provision of global metal industry consulting, trade exhibition, basic information, enterprise information construction and brand promotion services. In this case, Li Yang has a branch, keep up with the market, close to customers, keep abrea...