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May 15, 2025Qhov sib txawv ntawm welded thiab seamless tubingQhov sib txawv ntawm welded thiab seamless tubing -
May 13, 2025Steel Yeeb Nkab Vuam Txheej TxheemSteel yeeb nkab vuam txheej txheem kev faib tawm thiab cov tsiaj ntawv luv -
May 14, 2025ASTM A53 Steel Yeeb Nkab Paub1. ** Yog A53 Qib B Yeeb Nkab Seamless? ** ASTM A53 Qib C Yeeb Nkab tuaj yeem yog ** welded (hom e lossis hom F) **. Qhov tshwj xeeb npog ob txoj kev tsim khoom. Hom Senotes Seamle
