Welded Steel Pipe
Welded Steel Pipe is a type of steel pipe welded up from sheet metal, with many sizes and thicknesses for customers' interest and selection.
Black steel pipe
A black steel pipe is a product made from the hot rolling process of black sheet material, the product has a black or blue-black face after the material is formed, a layer of oil is applied to preserve the raw material.
Cast steel pipe
A Cast steel pipe is a type of steel made from round, solid steel bars, which are heated and then pushed and pulled out of the pipe. Then the embryo is catheterized, hollowed out and straightened, stretched until the finished product is created.