Blue film PVC ua npuas ncauj txheej
Raws li cov chaw tsim khoom nyob rau hauv Suav teb, peb zoo siab muab peb cov ntaub ntawv siab PVC ua npuas ncauj rau cov tub lag luam hauv cov teb chaws sab nraud ntawm Tuam Tshoj. Cov khoom tshiab no zoo meej rau ntau yam kev lag luam, suav nrog kev tsim kho, kev tshaj tawm, thiab luam ntawv. Nrog nws cov khoom tshwj xeeb thiab kev ua haujlwm tshwj xeeb, nws yooj yim pom vim li cas cov khoom no tau dhau los ua kev xaiv nrov rau cov lag luam thoob ntiaj teb. Hauv kev qhia txog cov khoom no, peb yuav tshawb nrhiav cov txiaj ntsig tseem ceeb ntawm peb cov ntawv PVC ua npuas ncauj siab, nrog rau nws ntau yam kev siv thiab kev siv tau.