Ua ntej hnub so National, nyob rau hauv kev cuam tshuam ntawm kev lag luam tsis zoo, kev lag luam tsis muaj zog thiab kev xav tau tsis ruaj khov, PVC ua lag luam tsis tau txhim kho ntau.Txawm hais tias tus nqi rebounded, nws tseem nyob rau theem qis thiab hloov pauv.Tom qab hnub so, PVC kev ua lag luam yav tom ntej raug kaw ib ntus, thiab PVC chaw ua lag luam feem ntau yog raws li nws tus kheej yam.Yog li ntawd, kev txhawb nqa los ntawm cov xwm txheej xws li kev nce hauv tus nqi ntawm cov khoom siv raw calcium carbide thiab qhov tsis sib xws ntawm cov khoom hauv cheeb tsam raws li kev txwv kev thauj mus los thiab kev thauj mus los, tus nqi ntawm PVC ua lag luam tau nce ntxiv, nrog kev nce txhua hnub.Hauv 50-100 yuan / ton.Cov neeg lag luam 'cov nqi thauj khoom tau raug tsa, thiab qhov kev sib pauv tau tuaj yeem sib tham.Txawm li cas los xij, lub downstream constructi ...