"Based on domestic market and expand abroad business" is our enhancement strategy for Grade J55 Casing Coupling, China Petroleum Equipment Factory, J55 Casing Coupling, Short Threaded Coupling,China Nu Coupling. You should send us your specifications and requirements, or feel totally free to speak to us with any questions or inquiries that you may have. The product will supply to all over the world, such as Europe, America, Australia,The Swiss, Ukraine,Washington, Saudi Arabia.We have developed large markets in many countries, such as Europe and the United States, Eastern Europe and Eastern Asia. Meanwhile with the powerful predominance in persons with ability, strict production management and business concept.we constantly carry on self-innovation, technological innovation, managing innovation and business concept innovation. To follow the world markets fashion, new products are kept on researching and providing to guarantee our competitive advantage in styles, quality, price and service.