Rau cov kev cai ntawm kev lis kev cai ntawm ntau lub teb chaws, peb tau ua tiav cov khoom sib txawv nrog cov lus hais zoo sib txawv. Koj tuaj yeem tiv tauj peb ntawm email kom xa daim ntawv pov thawj koj xav tau tshaj plaws.
BISON muaj daim ntawv pov thawj xws li CE O5 tawm los ntawm TUV, uas ua tau raws li cov cai ntawm kev lis kev cai ntawm feem ntau ntawm lub tebchaws.