| Industrial, Flanges, Industrial Tools, Valves, Kaihao Petroleum Equipment located in Shengli Oilfield is a petroleum equipments service supplier, which is comprised of experienced engineers in petroleum equipments� design and manufacture and business team. all kinds of drilling equipments, production equipments, petroleum tubular goods, wellhead equipments, downhole tools, well control equipments, the cementing tools, manifold, elbow, electric ... |
