- S235jr Welded Steel Tube , Din 2391, Bs 1387, Bs E
- S355jr Welded Steel Tube With Round / Rectangular
- Q345 Circle Welded Steel Tube , Hot Rolled Square
- Bv Welded Steel Tube With 10# , 20# , 45# , K55 ,
- Iso9001 Welded Steel Tube , Hot Rolled Square Stee
- Q345 Square Welded Steel Tube , Galvanized Steel T
- Hot Rolled Square Welded Steel Tube , Prefabricate
- Q235 Square Welded Steel Tube , Galvanized Steel T