This is salses manager Ms.guo from Chinahanji power Co.,ltd.(http://www.chinahanji.com,support4@vepump.com) We are the OEM who has specialized in diesel fuel injection system, such as head rotor , diesel nozzle ,diesel plunger ,VE pump parts ,injectors ,repair kits ,drive shaft , and so on. (Nozzle: DN, DNOPDN, S, SN, PN and so on. Plunger: A , AS, P, PS7100, P8500, MW type, etc.) Chinahanji Power Co.,Ltd http://www.chinahanji.com Email:support4@vepump.com Tel:0086-594-3603380 Fax:0086-594-3603560