ERW Technique square steel pipe ISO9001 certificate quality

ERW Technique square steel pipe ISO9001 certificate quality

ERW Technique square steel pipe ISO9001 certificate quality

 Thickness:1-120mm
 Width:1500-3600mm
 Length:as custom's request
 Technique:Cold rolled or hot rolled
 Surface treatment:Bare/Shot Blasted and Spray Paint or as required.
 Standard:ASTM,EN,GB,JIS,DIN

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