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sch40 seamless steel pipe carbon seamless steel pipe
6YRSTianjin Youfa International Trade Co Ltd
China prime hot rolled low carbon steel pipe
8YRSTANGSHAN YAOXIN IRON AND STEEL GROUP CO.,LTD
ASME carbon steel equal tee pipe fitting
8YRSHebei Great Electricity Piping Equipment Co.,Ltd
S355jr S235jr Carbon Steel Square Tubing for Steel Structure
5YRSTianjin Youfa International Trade Co., Ltd.
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