Galvanized steel yeeb nkab

Txoj kab uas hla: 21.3mm txog 508mm
Zinc coated: feem ntau 200g / m2 (30um) lossis raws li xav tau 200 txog 500g / m2 (30 mus rau 70um)
Txuj: ASTM A53, API 5L, ASTM A252, ASTM A795, ISO65, DIN2440, BS1387. BS1139, EN10255, EN39, JIS3444, GB / T 3091 & GB / T13793
Daim ntawv thov: Kev tsim kho / tsev cov ntaub ntawv steel yeeb nkab, steel qauv, laj kab ncej steel yeeb nkab,
Scaffolding yeeb nkab, Hluav taws xob tiv thaiv steel yeeb nkab, Tsev cog khoom steel yeeb nkab, Tsis tshua muaj siab ua kua, dej, roj, roj, kab yeeb nkab, Irrigation yeeb nkab, Handrail yeeb nkab