1. Production line equipments repair and maintenance on production floor. 2. Production line tool maintenance and management. 3. Line processes support and trouble shooting on production floor. 4. Line programming support and trouble shooting on production floor. 5. Improve first pass yeild (FPY) of production line=> Improve quality business together with Engineer. 6. Improve equipment utilization of production line together. 7. Participate daily Q-base meeting when necessary. 8. Close cooperation with production team. 9. Total productivity maintenance (TPM) experts of production line, and responsible for effective TPM. 10. Support machine supplier for modification or repair equipment.