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[CN] zhejiang ninsheng steel pipe co.,ltd [Manufacturer]
Key Products/Services:
Business Overview: Our products are JCOE large straight submerged arc welded steel pipe ,butt welded pipe and extra-thick wall welded pipe. Production range��Outer Diameter ...

[CN] HUNAN SHINESTAR STEEL GROUP [Manufacturer]
Key Products/Services:
Business Overview: HUNAN SHINESTAR STEEL GROUP is a large investment group company which dealing with steel products manufacturing.we invested five factories.we can supply sea...