We have our own sales team, design team, technical team, QC team and package team. We have strict quality control procedures for each process. Also, all of our workers are experienced in printing field for Sucker Rod Coupling, Sinis primi coitus , Crossover subs , China Sc Coupling,China Octg Coupling. With a fast development and our customers come from Europe, United States, Africa and all over the world. Welcome to visit our factory and welcome your order, for further inquires please do not hesitate to contact us! The product will supply to all over the world, such as Europe, America, Australia,Manchester, Durban,Jamaica, Lebanon.Adhering to the principle of "Enterprising and Truth-Seeking, Preciseness and Unity", with technology as the core, our company continues to innovate, dedicated to providing you with the highest cost-effective products and meticulous after-sales service. We firmly believe that: we are outstanding as we are specialized.