Dear Sir /Madam, We are a professional manufacturer of spiral welded steel pipe, and the leading products will be for double sided spiral submerged arc welded steel pipes and 3-layer PE Anti-corrosion coatings steel pipes.Please check the attachment and find our main business programs as belows: 1. Specialized in producing Spiral submerged arc welded steel pipe, with diameter from 219mm to 3600mm, wall thickness from 6mm to 25mm, steel grade A25--X80. The products are widely used to petroleum, natural gas, coal gas, heat supply, water supply and drainage and so on which are long distance pipelines. 2. The company has modern production lines of 3-layer PE corrosion, which is the most advanced manufacturers of PE anti-corrosion in China. Please feel free to contact with us if you have any query. Looking forward to your early inquiry. Thanks and best regards, Susan Anshan Aotong Steel Pipe Co., Ltd. Link man: Ms.Susan T:0086-412-8280988 F:0086-412-8214029 E-mail: as_steel at yeah . net MSN: ***** Web:***** Add:No.300 West Jiefang Road Anshan City, Liaoning Province, China