Zhengzhou Liseron Oil Pump & Nozzle Co., Ltd is specialized in core spare parts of diesel injection system for more than 20 years, mainly producting and selling Bosch Denso Delphi CR injectoes, nozzles, control valvee, valve bonnets, CRIN repair kits, injector adjusting shims, common rail injector testers and repair tools. Besides our own brand "HAOTENG" and "DYD", we are also the sole agent of UK ERIKC ( the former OEM factory of Bosch Denso Delphi parts).