- welded steel pipe with or without flange
- 2017-01-17 02:48
- welded steel pipe with precise dimensions ID+/-2mm,PCD+/1-mm,hole dia+/-0.5mm,squarenessflatness 1 full welding 100%UT
- api pipe with or without flanges
- 2016-10-25 19:56
- single longitudinal seam or spirally with the high quality100%UTapi pipe with or without flanges: ID+/-2mm,PCD+/-1mm,ver