- Api 5l X42,x46,x70,x80 Seamless Steel Pipelines Sc
- Erw Welded Pipes With Surface Treatment Black Or V
- Din /api Welded Gas /oil Tubes Sch40/80/160,chines
- Seamless Steel Pipes, 4 To 12m Length
- Api 5l Line Pipe With Grades L245/l290/l320/l360/l
- Api 5ct J55/n80 Welded Oil Casting Pipes For Oil W
- Jis G3441 Seamless Steel Tubes With Od20mm~1240mm,
- 3pe Erw Steel Pipes With 1/2 To 24 Inches.