Our enterprise since its inception, usually regards product top quality as business life, repeatedly enhance manufacturing technology, make improvements to product excellent and continuously strengthen enterprise total high quality administration, in strict accordance with all the national standard ISO 9001:2000 for China API Casing, Alloy Steel Tube , Astm A 192 Seamless Steel Pipe , Asme Sa106b Boiler Steel Pipe ,Drill Pipe Mud Screens . Customers' benefit and satisfaction are always our biggest goal. Please contact us. Give us a chance, give you a surprise. The product will supply to all over the world, such as Europe, America, Australia,Oslo , Canberra ,Brasilia , Accra .Our company has already have pass the ISO standard and we're fully respect our customer 's patents and copyrights. If the customer provides their own designs, We will guarantee that they will likely be the only one can have that merchandise. We hoping that with our good products can bring our customers a great fortune.