On September 21, 2011, on behalf of my company in liaoning dandong were invited to attend the third national roll mould technology information exchange ", I, head of the company to the general assembly on behalf of the company at the meeting made "straight seam welded pipe manufacturing process on the tensile strength of steel pipe effect" of the report. Meeting set for recent years the rapid development of silver jiang machinery give full affirmation, and silver jiang machinery is to continue to walk in the forefront of the industry, for the welded pipe in China to make new greater contributions.