SUPPLY seamless steel pipe API 5L GR.B cz (hits:335) |
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E- m ai l( M S N ) :haichengqiu@hotmail.com Wang Haicheng +86 -158 3377 5527 Cangzhou Qiancheng Steel-Pipe CO.,LTD,china ,supply API 5L Gr.B carbon steel seamless steel pipes. Standard API 5L/ASTM A106/ASTM A53 Dimension range 1/2''-36'' Wall thickness range SCH20-SCH160
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