1) Muaj lub hom phiaj pom tseeb ntawm cov hlau mesh-dab tsi yog koj qhov kev siv ntawm cov hlau tsis sib haum. 2) Hom xaim twg koj xav tau? Dub Annealed Hlau-yooj yim rau cov duab, zoo nruj lub zog, tsis yooj yim kom tau xeb. Kub Dipped Galvanized Hlau-ci thiab zoo nkauj, qhov siab tshaj plaws tiv thaiv corrosion. Txheeb hluav taws xob-galvanized -...
Nyeem ntxiv