China Manufacturing of Diesel Fuel Injection System. Chinahanji Power Co.,Ltd We are the world diesel engine fuel injection system producer. Chinahanji parts plant:We are specializing in diesel fuel injection system.All produets are in higher quality with competitive price.Our clientsare throughout the Word_America, Europe,mid_east,southeastAsia etc. Our specialized oil fuel injecting pump serial production expert,mainly produces the smooth talker, the plunger, the delivery valve,pumps the prime a series of oil fuel injecting pump vulnerable product.