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.



  • 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 ...

  • Russia Customer Visit Our Company

    2019.10.25th this customer visit our factory,he is very satisfy our production equipment. Because our equipment is worldwide most famous brand ,moreover is latest edition.In this way we can make sure the accurate production.We have China most skilled technical experts. Not only have top quality,t...

  • Bahmueller for nozzles and injector valve specification 1

    Specific components and process features This allows us to achieve: NOZZLE NEEDLE (SEAT & MATCH GRINDING) CBN grinding wheel cycle times < 15s 2 diameter in-process measurement heads straightness < 0.3µm piezo tailstock guide diameter roughnesses Ra < 0.06µm pre-measurem...