Liaocheng Jiujiujiayi Precision Machinery Co.,Ltd.

we have been making every effort to decrease your using cost.

Jiujiujiayi regard quality as life,
Good Credit as soul,your success as duty



Jiujiujiayi mainly products are: diesel pump, diesel injector, diesel nozzle, injector valves, injector solenoide valves, pump metering valves, pump suction control valves / SCV, diesel plunger and delivery valve. moreover we supply injection pump &injector re-manufacture service. These products are sold to Europe, USA, central and south America, Southeast Asia and Africa. The goods quality are approved by these areas customers.



  • Examine future alternative energy sources for off-highway products (Part 2)

    By using this website without changing the cookie settings in your web browser, you agree to accept all cookies in accordance with the cookie policy. This is the second of two articles about the future of alternative energy for off-highway products. Read the first article here. The use of alterna...

  • Chinese NEW Year Holiday Notice

    Jiujiujiayi Chinese New Year 2021 schedule:Feb 9th-18th.

  • 2021 New Year Holiday Notice

    jiujiujiayi  2021 new year holiday from 1st 2021 to 3rd 2021. 4th 2021 back to work.  

  • Jiujiujiayi take part in web fair

    Dec.9th Liaocheng Jiujiujiayi Precision Co.,Ltd Take part in tyre and auto parts web fair.The customers are from Viet Nam and Africa.Web Fair related kinds Tyre,auto parts. Including our products Diesel Injectors,diesel injector pump,Diesel Nozzle,diesel injector control valve,injector solenoid v...

  • diesel common rail system three generations

    Diesel Common Rail has developed 3 generations.It has a strong technical potential. First generation high pressure common rail pump keep max pressure,cause waste of energy and high fuel temperature.   second generation can adjust output pressure according to engine requirement,moreover have ...