Dear sir or madam,We are a big manufactrue of steel pipe Located in Cangzhou,Hebei,xxxxx main products are SEAMLESS STEEL PIPE AND WELDED STEEL PIPE. The size is above 76mm (OD). The standard of pipe is ASTM A106 GR.B, ASTM A53 GR.B . We have get ISO9001-2000 , and GB/T 8162 /8163 .Our price especially big outsaide diameter is very competitve in our market .If you are interested with our productes,pls contact with me ASAP.Looking forward to our futrue good cooperation and welcome to visit our facotory .My business email: xxxxx msn: xxxxxTel/Fax: 86-10-58764615Cell: 86-15811169643Web site: xxxxxBest regards,Lisa