We are experienced manufacturer. Wining the majority of the crucial certifications of its market for Hole Opener, Gt60 Rod, Rock Drill Rod, Concentric Casing System,Double Wall Drill Rod. We sincerely welcome pals to negotiate enterprise and start cooperation. We hope to join hands with pals in different industries to produce a outstanding foreseeable future. The product will supply to all over the world, such as Europe, America, Australia,Norway, South Africa,Oman, Iran.The development of our company not only needs the guarantee of quality, reasonable price and perfect service, but also relies on our customer's trust and support! In the future, we will continue with the most professional and high quality service to provide the most competitive price, Together with our customers and achieve win-win! Welcome to inquiry and consult!