When people purchase steel pipe for pipeline systems, we always see the pipe required to be a epoxy coating like 3PE (3LPE) or FBE.

There are two section types of the pre-galvanized hollow pipes,the square hollow pipe and rectangular pipe. The size of the hollow pipe can reach 12x12-500mm, and the thickness of the pipe can reach 0.6-20mm. The material grade can reach Q195-Q235. The hollow pipes are bundle with steel strips. And