Jinan Tianwei Innovation Oilfield Equipment Enterprise(OEE)is a leading manufacturer and supplier of oilfield equipment for drilling contractors operators and service company worldwide, OEE has been famous home and abroad for its good product quality, reasonable price and efficient service. In fact, OEE has revolutionized the triplex premium chromium liner and our patent HP liners have dominated the market since late 1990’s. Chinese patent NO.ZL 03 2 69409.1. OEE is specialized in supplying Triplex Mud Pump, mud pump interchangeable fluid end parts, also exporting series of wellhead tools and drilling tools.