Yongji petroleum machinery limited company is a professional production manufacturer of oil drilling and mud purification equipment, which comprises technical development, production. The company loctes in victory oil field-economic development area of DongYing city, eastward of DongQing freeway .It has fine geographical conditions,transport facilities.It takes 16 thousand square meters;manufactural constyuction takes 9.6 thousand square meters . Its products include Centrifugal machine,Sand pump, Sharing pump,Slush agitator,Slush pump and etc.