ASTM A992 steel beamyog ib lub hlau zoo, uas yog siv dav hauv kev tsim kho thoob plaws North American. Nrog lub zog zoo heev rau qhov hnyav, kev ruaj khov thiab kev ntseeg siab, nws yog cov kev daws teeb meem h-beam ntseeg siab los ntawm cov kws kes duab vajtse, engineers thiab cov neeg cog lus tau ntau xyoo.
Pawg Neeg Muaj Koob Muaj Npe
Chaw Nyob
Kangsheng kev lag luam tsim kho cheeb tsam,
Wuqing koog tsev kawm ntawv, Tianjin nroog, Suav.
Teev
Hnub Monday-Hnub Sunday: Kev Pabcuam 24-teev
Lub sijhawm tshaj tawm: Lub Ob Hlis-13-2026
