To organize the formulation, inspection, supervision, control and execution of procurement procedures, procurement monitoring, information collection and price system; to examine and verify declared procurement plans and strictly control procurement costs; to monitor and track the progress of the implementation of procurement plans, to make adjustments to abnormal situations at any time, and to report them in time; and to be responsible for the review and declaration of procurement plans and the strict control of procurement costs. Purchase of raw materials, accessories, equipment, accessories quality, quantity tracking management work to ensure timely arrival; in accordance with company requirements, standardization, inspection, management of suppliers, etc.