2 years 1 month as Senior Engineer of Quality Department 4 years 2 months as Supervisor Engineer of Quality Department 2 years 1 month as Senior Engineer of Quality Department 4 years 2 months as Supervisor Engineer of Quality Department Apply 7 QC TOOLS,PDCA, Six Sigma, 8D report, SPC, to monitor product quality, Stickily follow, control: IPPM, OPPM, EPPM, to improve and get good trend Optimization process effectiveness base on Jig/Tool/Checker improvement, process arrangement Analyze PRODUCT SPECIFICATION to buildup standard/check sheet/instruction and related document for evaluation phase/Mass production phase.