The company is responsible for the widening and assessment of suppliers and bulk daily purchase of raw and supplementary materials. Its whole purchase process is based on purchase module of ERP system. The system, from review of contract, supplier database query, enquiry, contract negotiations to the place of order, realizes the benign operation of purchase process under the controlled module through cooperation and supervision among purchaser, financial accountant and warehouse keeper, meanwhile, implements worldwide purchase using information technology, and widens purchase channels for three objectives: low price, high quality, on-time delivery, by centralized purchase. Most of the bulk purchase has realized internet bid, on the other hand, product competitive capacity is raised through control of material quality by establishing quality standard of imported materials.