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.

chemicals & related products, hardware & industrial supplies- (1) PTFE products, PTFE product- PTFE gasket, O ring, PTFE ball, PTFE rods. (2) automobiles PTFE parts, semiconductor PTFE parts, PTFE seals. (3) valve- sanitary valves, sanitary valve, stainless steel ball valve, stainless steel ball valves, industrial sanitary ball valves, tees, unions and clamps, stainless steel valves ( 1pc, 2pc, 3pc) & fittings, valves balls, and parts. (5) Washers, teflon component products