Responsibility: 1. Coordinate the development, evaluation and auditing of suppliers in the early stage, and establish a supplier resource database. 2. Be responsible for supplier access, purchase contracts, business negotiations and performance management; 3. Establish and improve the supplier evaluation system and standards to assess the quality, delivery, price, service and credit of suppliers; 4. Participate in the material selection of new products and key projects, conduct market analysis of key materials, identify risks in advance and formulate solutions; 5. Keep abreast of market conditions in a timely manner, effectively control costs, and promote localization; 6. Material price management (PIR management, Should Be cost analysis, project material comparison with bid prices). Competency requirements: a) Bachelor’s degree or above, majoring in electrical engineering, materials science or related; b) Relevant negotiation skills and supplier development capability; c) Be familiar with the electrical industry and understand market changes in technology and costs; d) Good English, can read and write email by English; e) Good communication and coordination skills, be self-motivated and result-oriented.