3 Ply Pob Ntseg Tsis Yog Woven Daim Npog Ncauj Tiv Thaiv Menyuam Yaus

Kev Piav Qhia Luv:

1. Tiv thaiv cov qaub ncaug, Tiv thaiv cov hmoov av, PM2.5.
2. Zoo thiab tiv thaiv tau zoo.
3. Lub Npog Ncauj uas tsim los rau menyuam yaus