Heze Oil Nozzle Oil Pump Factory is a state-owned enterprise. Shandong Kangda oil pump nozzle is a state-owned enterprise. Shandong kangda precision machinery manufacturing co., ltd, formerly known as Shandong oil pump nozzle factory, is a well-known state-owned enterprise with a long history and strong technical force. Now it has developed into a large-scale enterprise integrating fuel injection system, auto parts and export processing trade.