Peb cov txheej txheem ua npuas dej ua npuas PVC tau muab tso rau hauv kev tsim khoom.Qhov nqe yog qhov sib tw ntau dua.PVC ua npuas ncauj raw khoom tuaj yeem coatedwith siab rhiab nplaum lossis tuaj yeem tiv thaiv nrog ntawv lossis zaj duab xis los tiv thaiv sab saum npoo ntawm ua npuas ncauj raws li kev xav tau.
