It uses thoroughly proven materials only and enforces stringent quality control system (100% inspection with totally automated inspection system). It also utilizes its own T/M Bench Tester with which it can appraise the real function and endurance characteristics of newly developed products. With such capability, Chang Yun has been able to achieve post-shipment rejection rate of 1 P.P.M.

CY Myutec reinvests 5% of its annual sales for R & D and it has been certified for QS9000 and ISO9002 in accordance with International Quality Standards.