We retain bettering and perfecting our goods and service. At the same time, we perform actively to do research and enhancement for Btc Casing Coupling, Petroleum tubing njikọ , Casing Couplings For Drilling Pipes, China Collar Factory ,Api Casing Couplings Short . We have more than 20 years experience in this industry, and our sales are well trained. We can give you the most professional suggestions to meet your products' requirements. Any troubles, come to us! The product will supply to all over the world, such as Europe, America, Australia,Japan, luzern,Turkey, Juventus.During the 10 years of operating, our company always try our best to bring consumption satisfaction for user, built a brand name for ourselves and a solid position in the international market with major partners come from many countries such as Germany, Israel, Ukraine, United Kingdom, Italy, Argentina, France, Brazil, and so on. Last but not least, price of our products are very suitable and have fairly high competition with other companies.