TSI ENVIRO-TECH

10 Xyoo Kev Tsim Khoom

Npog Rau Plua Plav Tsheb (90 Cm Ntshiab-paj rwb Mop taub hau)

Xa koj cov lus rau peb:

Sau koj cov lus ntawm no thiab xa tuaj rau peb