Our company Shengya Petroleum Equipment Co., Ltd is a professional manufacturer and supplier for various petroleum equipments, such as tubing, casing, fiberglass pipe, line pipe, drill pipe, drill collar, drill bit, mud pump, pumping unit, sucker rod, screw pump, wellhead & downhole tools and the coating equipment.Nowadays our products have been earned very good reputation among the customers and exported to many countries. We are willing to set up good relationships with you, you can contact me through the following ways:Tel: 86-546-7832669Fax: 86-546-7832669Email: jamesxu38325 at gmail com