Dongying OilMan Machinery Equipment Co., Ltd is a professional supplier of various petroleum equipment, including drilling rig & accessories, well control system, solid control equipment, drill string, handling tools, downhole tools, OCTG, drilling tools, cementing tools and sapre parts with API certification. Our products have been exported to Russia, America, Middle East, South America, Southeast Asia, Central Asia, African, Australia, Europe etc. Our company is willing to cooperate and make common progress with friends at home and abroad with first-class products, first-class service and reasonable prices.