Shandong Rongli Petroleum Machinery Co., Ltd. (Rongli) was established in 2002, since then, we endeavour to manufacture the petroleum machines and become one of the top three in China. As remain the expertise in the production and oilfield applications of our drilling rig and triplex mud pump, we diversify our product range to unitized mud pump package, solid control system, shale shaker, centrifuge, degasser, centrifugal pump and their spare parts etc. In addition, all kinds of work parts can be ...