Muaj ob lub ntsiab ntawm galvanized steel sawb, ib qho yog txias kho steel sawb, qhov thib ob yog cov cua sov kho kom txaus steel sawb, ob hom steel sawb no muaj cov yam ntxwv sib txawv, yog li txoj kev khaws cia kuj txawv. Tom qab kub dip galvanized sawb pro ...
H-beams nyob rau hauv European qauv yog categorized raws li lawv tus ntoo khaub lig-sectional duab, loj thiab txhua yam khoom. Nyob rau hauv cov koob no, HEA thiab HEB yog ob hom, txhua tus muaj cov ntawv thov tshwj xeeb. Hauv qab no yog cov lus piav qhia ntxaws ntawm ob qho no ...