"Based on domestic market and expand overseas business" is our development strategy for Special Clearance Coupling Manufacturer, Api Tubing Coupling, Pup Joint, Api Casing,Nipple. Honesty is our principle, skilled procedure is our perform, service is our target, and customers' satisfaction is our long term! The product will supply to all over the world, such as Europe, America, Australia,Borussia Dortmund, Argentina,UAE, Guinea.During the short years, we serve our clients honestly as Quality First, Integrity Prime, Delivery Timely, which has earned us an outstanding reputation and an impressive client care portfolio. Looking forward to working with you Now!