"Based on domestic market and expand overseas business" is our improvement strategy for China Coupling Blank Factory, Round Precision Steel Tube, Api 5ct Nipple Coupling, Api Tubing Coupling,Thread Protectors Manufacturer. We welcome buyers, business enterprise associations and good friends from all sections in the planet to get hold of us and request cooperation for mutual gains. The product will supply to all over the world, such as Europe, America, Australia,Puerto Rico, Bangkok,Peru, Swedish.Our market share of our products has greatly increased yearly. If you are interested in any of our products or would like to discuss a custom order, please feel free to contact us. We are looking forward to forming successful business relationships with new clients around the world in the near future. We are looking forward to your inquiry and order.