Cov ntaub ntawv PVC hauv tebchaws tau tshaj tawm thaum lub Kaum Ib Hlis
Cov ntaub ntawv tshiab tshaj plaws qhia tau tias thaum Lub Kaum Ib Hlis 2020, kev tsim khoom PVC hauv tsev tau nce 11.9% piv rau lub sijhawm tib yam ntawm xyoo tas los. Cov tuam txhab PVC tau ua tiav kev kho dua tshiab, qee qhov kev teeb tsa tshiab hauv thaj chaw ntug dej hiav txwv tau muab tso rau hauv kev tsim khoom, tus nqi ua haujlwm ntawm kev lag luam tau nce ntxiv, kev lag luam PVC hauv tsev tau hloov pauv zoo, thiab cov zis txhua hli tau nce ntxiv ntau.
