Our company,Jinan Grock Co.,Ltd,a manufacture with nearly 20 years experience of injection pump,injector,plunger,nozzle,turbo,testing bench,fixing tools etc,with fast delivery time and excellent quality,our products enjoying very good sales in local and abroad market all over the world,our products works for the brands including Bosch,CAT,Perkins,Deutz,Isuzu,Deplh,Weichai,Yuchai,Shangchai,Cummins,XCMG,Shacman,Liugong,Shantui etc