Idume ngobuhle bayo embonini kawoyela negesi, i-API 5L Seamless Steel Pipe ime njengepharagon yokuqina nokusebenza.Ngamabanga ahlukahlukene ahlanganisa i-Gr.B, X42, X52, X60, X65, ne-X70, ihlangabezana nezidingo eziqinile zokuthutha uketshezi kanye...
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