Our enterprise since its inception, constantly regards product good quality as organization life, constantly improve production technology, strengthen merchandise high quality and continuously strengthen enterprise total good quality administration, in strict accordance with all the national standard ISO 9001:2000 for China Steel Pipe, 30 Inch Seamless Steel Pipe , Hq Diamond Core Drill Pipe , Duplex Alloy Steel Pipe ,Drill Pipe 1m . We glance forward to establish a long-term small business romance along with your esteem co-operation. The product will supply to all over the world, such as Europe, America, Australia,Belgium , France ,Poland , Mongolia .We now have established long-term, stable and good business relationships with many manufacturers and wholesalers around the world. Currently, we've been looking forward to even greater cooperation with overseas customers based on mutual benefits. You should feel free to contact us for more details.