About SUNYEHSun Yeh Electrical Ind. Co., Ltd. was founded in 1986. We have adhered to the highest principle of understanding customer&＃39;s demand in depth, and continuing to develop Electric Actuator, Valve Actuator, Electric Valve Actuators, quarter-turn actuator, fail-safe spring return actuator and linear actuator. It has won the new type patent in Taiwan, U.S.A., Japan and China. Sun Yeh offers various products which are widely applied to the control on industry, water treatment, air conditioning, chemical engineering, food industry and so on.Quality ControlProducts of superior quality require sophisticated control systems using advanced inspection instruments and state-of-the-art facilities to ensure that every step in the production process is accurate and complete. In order to provide high quality prodcuts to customers, SUN YEH products are 100% inspection before shipping.Quality CertificationSun Yeh electric actuators are built on high quality; all products have been certified with approval of CE and CSA. As well as the ISO 9001, ISO 14001, OHSAS 18001, REACH, and RoHS certificates. "Perfect Solution" is the only goal for Sun Yeh.