Khoom zoo

Cov hlau siv yog tsim los ntawm cov chaw tsim khoom loj, thiab cov khoom siv pabcuam yuav tsum yog cov khoom zoo. Cov khoom siv tseem ceeb yog Q235B, zoo-zoo txias-kuav los tiag steel daim hlau, zoo-zoo txias-draw tshwj xeeb-zoo li tus steel kav los yog galvanized kav (tuaj yeem xaiv raws li cov neeg siv khoom xav tau); pleev xim.

Cov khoom tiav tiav

①Iron pallets raug kho raws li cov neeg siv khoom kos duab thiab kev xav tau.

② Kev lees paub zoo: Yuav tsis muaj kev tshem tawm hauv ib xyoos raws li kev siv ib txwm.