Our LSAW welded steel pipe and high-frequency straight seam welded tube distributor provides high-quality products that are durable and versatile. Products The advantages of LSAW  steel pipe (1) Without unwinding treatment, the base material has less indentation and fewer scratches. (2) LSAW pipe is easy to control the perimeter of the diameter with staggered edges and grooves, and the welding quality is excellent. (3) There is basically no residual stress after removing the opening stress. (4) Because it is a strai...