LIAOCHENG YITONG DIESEL PARTS CO.,LTD was founded in 1963 with headquarters in Liaocheng. It is a professional manufacturer of fuel injection system parts for diesel engines,mainly include S series and P series injector nozzle matching parts and assemblies, single-cylinder, double-cylinder and triple-cylinder unit fuel pump assemblies and plunger, delivery valve matching parts, which cover the main types and varieties of diesel engines both at home and aboard.

With over 50 years of experience in the Diesel Fuel Injection Field we have acquired a vast technological expertise which accounts for the quality reached, and have became one of the largest manufacturer for diesel fuel injection system in china. The company has introduced German TBT and IXION gun drill machine tools, Sweden UVA middle hole seat grinding machines, Swiss Studer high-precision grinding machines, Posalux nozzle machine tools, nozzle extrusion and grinding machines, cylindricity measuring equipment and other cutting edge equipment, which play an important role in the daily bulk production. Moreover, the company has independently developed national patented machine tools, such as middle-hole centerless grinding machines, seat electric spark and nozzle spark machining machine tools, high speed wind powered nozzle drillers and vertical seat grinding machines.

The quality of our products is in the same class with other overseas famous manufacturers. The company has passed the certification of ISO/TS 16949 Quality Management System and certification of Vehicle Products of CCAP.