Sichuan Changyi (Group) Co., Ltd. was established in 1998, it is a share system company with jointing integrity of manufacturer and import and export foreign trade, which is possession of 7 sub-manufacturers managed under the company. in 1999, it has obtained the operative power of import and export and approved by Natinal Misnister of Foreign tradeand Economy Cooperation. The company now is the membership of China Chamber of Commerce for Importer and exporter of Machinery and Electronic Products, China Chamber of Commerce of Metals Minerals & Chemicals Importers & Exporters, China Chamber of Commerce for Importer & Exporter Light Industrial Products and Arts & Crafts, Since it is