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Tianjin dalipu oil country tubular
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Suzhou rivow steel tube co.,ltd
Steel pipes, steel tube, steel pipes, alloy pipes, seamless pipes, erw pipes,seamless pipe,carbon steel pipes
Tianjin dalipu oil country tubular
Sch 40 seamless steel pipe,astm a106 gr b steel pipe, carbon steel pipe, sch80 black steel pipe
Shandong huabao steel pipe co.,ltd
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Suzhou rivow steel tube co.,ltd
saw pipes, alloy pipes, steel tube,aluminium pipes
Suzhou rivow steel tube co.,ltd