Profile: Qingzhou Petroleum Machinery Factory CO.,LTD manufactures oil drilling mud pump and its accessories. We are an ISO 9001 certified company. Our drilling mud pump & compound drive groups are mainly used in oil field and geological prospecting for well drilling, well work over, cementing, water shut off, water flooding and sending mud. We offer compound drive pump groups that consist of the mating motive, cardan shaft, reduction gearbox, clutch, coupling, coupled wheel, base and triangular belt. It is used for drill, cementing and well work over.