We now have our individual sales group, layout team, technical team, QC crew and package group. Now we have strict high-quality control procedures for each procedure. Also, all of our workers are experienced in printing discipline for Bc Coupling, Bc Coupling Factory, Drill Collar, Seamless Elbow,Seamless Elbow. We aim at Ongoing system innovation, management innovation, elite innovation and market innovation, give full play to the overall advantages, and constantly improve service quality. The product will supply to all over the world, such as Europe, America, Australia,Tajikistan, Peru,Kazakhstan, Sri Lanka.Our company regards "reasonable prices, high quality,efficient production time and good after-sales service" as our tenet. We hope to cooperate with more customers for mutual development and benefits in future. Welcome to contact us.