Job Scope and Responsibilities: 1. Search for suppliers of new products and new materials, collect data and follow up supplier development； 2. Evaluated the price of major raw materials and completed the price reduction target； 3. Handled project samples and preliminarily confirmed the quality of supplier material samples； 4. Communicated and coordinated with technical and quality departments on technical and quality issues, and communicated and coordinated with suppliers on technical and quality issues； 5. Keep track of the price changes and quality of raw materials in time, so as to improve product quality and reduce procurement costs； 6. Search for alternative materials。 Office qualification 1. College degree or above; Fluent in spoken and written English； 2. At least 5 years experience in PCB, transformer and other electronic materials procurement; Familiar with purchasing 5R principle and purchasing process； 3. Good communication and negotiation skills, careful and serious work, strong sense of responsibility, quick thinking； 4. Strong team spirit, good professional ethics and quality； 5. Can work under pressure。