Galvanized lub raj muaj ntau yam kev siv vim lawv cov corrosion kuj, durability, thiab versatility. Nov yog qee qhov kev siv: 1. Kev Tsim Kho thiab Lub Tsev: - Siv rau kev txhawb nqa hauv cov tsev, nrog rau cov ncej, kab, thiab kab teeb. -Common...
Nyeem ntxiv