Requirement 1. Bachelor Degree with more than 3 years experience in EMS production, basic testing background is required 2. Be familiar with production line: wave, hand load, assembly etc. 3. With experience of management, be able to lead line leader and operator effectively. 4. Good written and reading English. Job Responsibility 1. Optimize production; improve capability. 2. Improve quality continually. 3. Tracking output, to meet shipment plan. 4. Well control WIP (include bone pile) and scrap rate. 5. Reduce testers' down time.