Cov lag luam wholesale hlau rau chaw ua si

Nov yog peb qhov txheej txheem steel tshiab tshaj plaws rau chaw ua si.

Cov khoom siv ntawm cov qauv hlau yog galvanized hlau nrog cov yas zoo tivthaiv.

Cov qauv hlau muab chaw ua si nyab xeeb rau menyuam yaus thiab pab cov menyuam txhim kho txuj ci kis las.