1.Fuel injection system ,nozzle ,plunger ,head rotor and delivery valve . 2.Good quality and best price,long-term assurance. 1. Our company professionally produces nozzle in series S, P, T and U.The components of nozzle apply 18Cr2Ni4WA low-carbon alloy steel manufacture valve body prescribed by the national standard JB/T 7296-94, and W6M05Gr4V2 high-speed tool manufacture valve needle prescribed ...