Pipeline project, construction of transportation for oil, natural gas and so on, is now needed for improving peopleâ??s lifestyle. No matter ERW steel pipe or seamless type, customers would have different demands for the steel pipe. And comprehensive and strong would be one of the factors. With modern science and technology, pipeline would have a wide applications. A number of general construction and installation works, professional engineering and construction, professional equipment and construction technology are needed for the guarantee of the high quality of comprehensive and strong. A pipeline as well as hundreds of tons of steel consuming millions of tons, and sometimes need to invest billions of dollars, a mammoth project is seen as a large, integrated industrial construction projects around the world.