1. Monitor supplier quality system sustaining, implement new supplier system qualification, conduct surveillance audit periodically. 2. Interface with suppliers on incoming quality issue handling and following up, push supplier to improve their process and quality control level. 3. Assess supplier quality performance by month/quarter, e.g. LRR/ PPM trend. Guide suppliers develop improvement project. 4. Manage any changes from supplier. Update material inspection specs when have any change from engineering/customer or industry, train IQA inspector. 5. Develop and conduct Hazardous substances management procedure and as interface with suppliers on hazardous substances management, maintain ICP/REACH/CMRT database system. 6. Assist Sales/CS/CE team on RoHS/HF/REACH/CMRT etc compliance declaration and related questionnaire to customer. 7. Support ESD System audit and ESD event FA.