1. Assist the purchasing manager in daily work, assign work to department personnel, and guide and supervise; 2. Prepare the procurement work plan according to the production plan and procurement application of each department, and arrange personnel for procurement; 3. Prepare the corresponding purchase budget according to the purchase plan, and strictly control the purchase cost; 4. Assist the procurement manager to carry out procurement negotiations, and complete the preparation and submission of procurement contracts in a timely manner. "