Our firm since its inception, normally regards item top quality as company life, constantly make improvements to generation technology, improve product excellent and repeatedly strengthen organization total good quality management, in strict accordance with the national standard ISO 9001:2000 for Surface Wellhead Equipment, Back Check Valve , Xmas Tree Oil , Double Flanged Gate Valve ,Wellhead Equipment Manufacturers . We encourage you to make contact as we are looking for partners in our venture. We are sure you will find doing business with us not only fruitful but also profitable. We are ready to serve you with what you require. The product will supply to all over the world, such as Europe, America, Australia,Borussia Dortmund, Wellington,Moscow, Juventus.If you are for any reason unsure which product to select, do not hesitate to contact us and we will be delighted to advise and assist you. This way we will be providing you with all the knowledge needed to make the best choice. Our company strictly follows "Survive by good quality, Develop by keeping good credit. " operation policy. Welcome all the clients old and new to visit our company and talk about the business. We are looking for more and more customers to create the glorious future.