Rebar yog ib lub npe nrov rau kub dov ribbed steel tuav.Qib ntawm qhov kub-kuav los tiag steel bar muaj HRB thiab qhov tsawg kawg nkaus yield point ntawm qib.H, R, thiab B yog thawj tsab ntawv ntawm peb lo lus, Hotrolled, Ribbed, thiab Bars, feem....
Nyeem ntxiv