Profile: Chen Chen Diesel Parts Plant specializes in producing diesel fuel injection components. Our product line includes head rotor, pump-elements, injection nozzles, delivery valve, ve pump parts and many other products related to diesel injection pumps. We also offer magnet valve, roller ring and control shaft. Our nozzle is one of the main components of fuel injection systems and it regulates the flow of fuel to the ultimate ignition compartment & the main function of the nozzle is to convert the diesel into the diesel vapours and spray it on the piston.