Cov hlau txiav, tseem hu ua daim kab xev barbed, yooj yim rau kev teeb tsa thiab ua haujlwm ua qhov kev tiv thaiv pom kev zoo li lub cev thaiv, uas nyuaj heev rau
nce. Nws yog ua los ntawm cov khoom siv galvanized lossis stainless hlau rau ntau qhov chaw sib txawv thiab qib kev ruaj ntseg.

Ntaus cov ntaub nplaum galvanized lossis stainless hlau rau hauv ntau yam duab thiab qhov ntau thiab tsawg
Cov hniav. Thiab cov hniav hlau raug txias crimped nruj nreem rau ntawm cov hlau.