We 'd like to introduce ourselves as a leading manufacturer of seamless stainless steel pipes in China, we can provide stainless steel pipes as per ASTM A312/213/269 with high quality, with grade 304/304L/316L/316/321, and we passed the Quality Certificate System of ISO9001-2000 and Lloyds Register Quality Assurance System.Please visit our web: .cn or / and down load our catalogue at: .cn/catalogue.rar