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24¡± ERW API Pipe Mill & Finishing Line : 1997
25¡± ERW API Pipe Mill & Finishing Line : 2005
25¡± ERW API Pipe Mill & Finishing Line : 2007
24¡° ERW API Pipe Mill & Finishing Line : 2009
 
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20¡° Coupling Hydrostatic Tester For Casing Pipe : 2010
12¡° ERW API Pipe Finishing Line
(End Facing & Beveling M/C, Hydrostatic tester,
Bundling M/C and etc.)
: 2011
21¡° Hydrostatic Tester for ERW API 75 MPa : 2011
5.5" Bead Remover & Finishing Line
Inside Bead Flushing, End facing Machine,
Auto Bundling Machine & etc.
: 2012
7" ERW Pipe mill line : 2013
24" Cage Forming Modification : 2013
 
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- Coupling Hydrostatic tester for casing pipe : 2011
- Auto Drift Tester : 2012
- Pipe chamfering processing equipment : 2013
- Weld bead remove equipment
: 2013