Shandong Rongli Petroleum Machinery Co., Ltd Introduction Rongli Petroleum Machinery is the only one company in Shandong province who can design, manufacture, marketing and servicing independently the eight systems of the rig. The oil drilling rig and mud pump designed and manufactured by Rongli company have reached advanced level internationally. With 10 years&＃039; development, Rongli company has got the ISO9001 Quality management system certification and HSE certification, CE certification, API -7K, API - 4F and the right to use the API monogram and obtained the safety production license issued by Production Safety Supervision and Administration Bureau.