We've one of the most advanced generation tools, experienced and qualified engineers and workers, recognized good quality manage systems and a friendly skilled product sales workforce pre/after-sales support for L80 Coupling Factory, Special Clearance Coupling, Octg Oilwell Coupling, Eu Coupling,Casing Couplings. We believe that a passionate, innovative and well-trained team will be able to establish good and mutually beneficial business relationships with you soon. Please feel free to contact us for more details. The product will supply to all over the world, such as Europe, America, Australia,Greece, Pretoria,Oman, Libya.The design, processing, purchasing, inspection, storage, assembling process are all in scientific and effective documentary process , increasing usage level and reliability of our brand deeply, which makes us become superior supplier of the four major product categories shell castings domestically and obtained the customer's trust well.