Established in 1994, ESI is a specialist of PTFE related parts & stainless valves for different industries and flow control products such as Diaphragms/ Gasket/ Bushing/ O-ring/ Valve Seat/ semiconductor parts & valve products for food and general industrial service applications. Thank you for visiting our website, our service team will be very pleased to hear any opinion from you. We hope to become your best creative business partner by through our excellent products & services. 
Taiwan