WYECO was established in 1975. Ever since then, we have been the leading valve manufacturer in Taiwan. Large enterprises in Taiwan, such as Chi Mei Opto Electronics, TSMC, Chinese Petroleum Corp. (Taiwan), and Formosa Plastics Group, have been our customers for years. In addition, our products have been adopted in various industries in the world market. ICHINOSE CO., Ltd, MOTOYAMA, and Royal Philip Electronics, are also part of our oversea clients. With more than 30 years of experience, customer satisfaction has always been our priority. Promp communication and attention to details help us to keep long-term relationships with our clients. As an ISO 9001:2000 certified manufacturer, we aim to meet the highest standard and provide you with the best service. In addition, SMC and SIMENS&＃039; positioners are adopted in our system to ensure the accuracy of our valves. Our products include Diaphragm Actuated Control Valve, Cylinder Type 3-way Control Valve, PFA Lined Diaphragm Valve, Hyper-Cryogenic Emergency Shut-Off Valve, Manual Operated Valve for Hyper-Cryogenic, Y Type Control Valve, and many more.