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China prime hot rolled low carbon steel pipe
8YRSTANGSHAN YAOXIN IRON AND STEEL GROUP CO.,LTD
High quality ASTM A106 Gr. b sch40 sch60 sch80 seamless carbon steel pipe black round steel pipe
6YRSTianjin Youfa International Trade Co Ltd
5YRSHEBEI SHENGDEBAOLONG INTERNATIONAL TRADING CO., LTD
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