Pebgalvanized steel kaujntim khoom tiv thaiv kev puas tsuaj thiab corrosion teeb meem thaum thauj thiab khaws cia.
Kauj Ruam 1: qhwv cov yas zaj duab xis rau ntawm cov hlau kauj;
Kauj Ruam 2 Qhwv hauv cov ntawv tsis muaj dej kraft;
Kauj Ruam 3: qhwv lub phaj nyias nyias ntawm sab nraud;
Kauj Ruam 4 Siv cov hlua hlau kom ruaj khov rau sab nrauv.
Ntim Hom
