Advanced tsim cov khoom siv teeb pom kev zoo.
Ntau tshaj 100 hom patent tsim teeb pom kev zoo.
Peb muaj cov ntaub ntawv raw txaus hauv Tshuag thiab muab kev xa khoom sai.
LED teeb yog dav siv rau thaj chaw, villa, chav tsev thiab lwm yam.
Ntau lub kaum sab xis thiab lub zog ntawm cov teeb coj mus siv rau kev sib txawv sab hauv tsev & kev lag luam teeb pom kev zoo.