Lub steel yeeb nkab phab ntsa thickness series los ntawm British metrology chav tsev, thiab cov qhab nia yog siv los qhia qhov loj.Cov phab ntsa tuab ntawm cov yeeb nkab seamless yog tsim los ntawm Schedule series (40, 60, 80, 120) thiab txuas nrog rau qhov hnyav series (STD, XS, XXS).Cov nqi no yog hloov dua siab tshiab rau mi...
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