ZEX is a Company founded in 1961 and is based in USA. It is specialised in the manufacture of Components for all types of Diesel Fuel Injection Parts in China. and the products cover an extremely vast range of spare parts from Nozzle, Plunger pump, Delivery valve and Head rotor. With 49 years of experience in the Diesel Fuel Injection Field we have acquired a vast technological expertise which accounts for the quality reached in ZEX DIESEL products. We has been supplying for all these years to Diesel Engine Manufacturers, Aftermarket wholesalers and Pump Repair Shops creating a vast network of Distributors in over 100 countries in the world. Our aim and business policy is to give the customer a reliable quality product and service , alternative to the OEM products, and is committed to a continuous improvement of its products reliability.