1. Market Research: Investigate the copper material supply market, understand the supply situation of wire and cable, PCB boards, equipment, services, etc., including price, quality, supplier reputation, and delivery time.2. Supplier Management: Responsible for the procurement and delivery of fasteners, machined parts, wire materials, and PCDA circuit boards, managing supplier delivery cycles and quality.3. Cost Control: Control procurement costs by negotiating prices with suppliers, seeking suppliers with higher cost-effectiveness, or alternative materials to improve the company's profit margin.4. Quality Control: Ensure that the purchased raw materials, components, and services meet production quality requirements. Work results:Managed a total of 29 suppliers, with a timely delivery rate of 98.6%. Annual cost reduction of 5% in cost management.