Txij xyoo 2019 txog 2023, qhov nruab nrab txhua xyoo ntawm kev loj hlob ntawm PVC muaj peev xwm tsim tau yog 1.95%, thiab lub peev xwm tsim tau nce ntxiv los ntawm 25.08 lab tons hauv xyoo 2019 mus rau 27.92 lab tons hauv xyoo 2023. Ua ntej xyoo 2021, kev vam khom rau kev xa khoom tuaj yeej ib txwm nyob ib puag ncig 4%, feem ntau yog vim tus nqi qis ntawm cov peev txheej txawv teb chaws thiab qhov nyuaj ntawm kev hloov qee cov khoom lag luam siab.

Thaum peb xyoos ntawm xyoo 2021-2023, PVC muaj peev xwm tsim tau ntau ntxiv, thaum cov khoom xa tuaj kuj nce sai, vim tias qee cov khoom siv txawv teb chaws raug cuam tshuam los ntawm lub zog tsis tseem ceeb, kev muab khoom raug cuam tshuam, thiab tus nqi tsis muaj qhov zoo sib tw pom tseeb, thiab kev vam khom kev xa khoom poob qis dua 2%. Tib lub sijhawm, txij li xyoo 2021, Tuam Tshoj txoj kev lag luam xa khoom PVC tau nthuav dav sai, thiab nyob rau hauv qhov zoo dua tus nqi, nws tau txais kev nyiam los ntawm Is Nrias teb, Sab Qab Teb Asia thiab lwm lub tebchaws, thiab qhov xwm txheej xa khoom PVC muaj kev cuam tshuam ntxiv rau kev lag luam hauv tsev. Lub peev xwm nce ntxiv sai ntawm cov khoom siv ethylene suav rau feem ntau, yog li ua rau kev sib tw ntawm calcium carbide thiab cov khoom lag luam ethylene ntau ntxiv. Los ntawm qhov kev xav ntawm kev faib tawm hauv cheeb tsam ntawm lub peev xwm tsim khoom tshiab, lub peev xwm tsim khoom tshiab hauv xyoo 2023 feem ntau yog tsom mus rau Shandong thiab South China.

Xyoo 2023 muaj peev xwm tsim khoom txhua xyoo raws li cov txheej txheem sib txawv, feem ntau yog nyob rau hauv cov tuam txhab calcium carbide, suav txog 75.13% ntawm lub teb chaws muaj peev xwm tsim khoom, vim tias Tuam Tshoj yog lub teb chaws uas muaj ntau thee thiab tsawg dua roj, thiab thee feem ntau faib rau hauv thaj tsam sab qaum teb sab hnub poob, sab qaum teb sab hnub poob vam khom cov thee nplua nuj, cov peev txheej calcium carbide, thiab cov lag luam feem ntau yog cov chaw txhawb nqa, yog li lub peev xwm tsim khoom PVC hauv thaj tsam sab qaum teb sab hnub poob loj heev. Sab Qaum Teb Tuam Tshoj, Sab Hnub Tuaj Tuam Tshoj, Sab Qab Teb Tuam Tshoj hauv xyoo tas los no, lub peev xwm tshiab feem ntau yog ethylene muaj peev xwm tsim khoom, vim yog ntug dej hiav txwv, kev thauj mus los yooj yim, kev xa khoom siv raw thiab kev thauj mus los.

Los ntawm kev xam pom hauv cheeb tsam, thaj tsam sab qaum teb sab hnub poob tseem yog thawj qhov chaw nrog 13.78 lab tons ntawm lub peev xwm tsim khoom. Raws li kev hloov pauv hauv cheeb tsam, Sab Qab Teb Tuam Tshoj tau ntxiv 800,000 tons los ntxiv rau qhov sib txawv ntawm kev thov hauv zos, ntawm qhov no, kev hloov pauv ntawm cov peev txheej hauv Sab Qaum Teb Tuam Tshoj mus rau Sab Qab Teb Tuam Tshoj txoj kev lag luam tau nqaim zuj zus, Sab Qaum Teb Tuam Tshoj tsuas yog ntxiv ib pawg ntawm 400,000 tons ntawm cov khoom siv, thiab lwm thaj chaw tsis muaj peev xwm tshiab. Zuag qhia tag nrho, xyoo 2023, tsuas yog Sab Qab Teb Tuam Tshoj, Sab Qaum Teb Tuam Tshoj thiab Sab Qaum Teb Sab Hnub Poob Tuam Tshoj lub peev xwm tsim khoom yuav nce ntxiv, tshwj xeeb tshaj yog nyob rau Sab Qab Teb Tuam Tshoj, qhov twg kev nce ntxiv ntawm lub peev xwm tsim khoom muaj feem cuam tshuam ntau dua. Lub peev xwm tshiab hauv xyoo 2024 yuav feem ntau nyob rau Sab Hnub Tuaj Tuam Tshoj.

Xyoo 2019-2023, Tuam Tshoj lub peev xwm kev lag luam PVC txuas ntxiv nthuav dav, tsav los ntawm kev nce txhua xyoo hauv xyoo tas los no, lub peev xwm tsim khoom PVC hauv tsev tau txuas ntxiv nthuav dav, xyoo 2019-2023 tsib xyoos ntawm kev nthuav dav peev xwm ntawm 2.84 lab tons.

Vim muaj kev hloov pauv ntawm Tuam Tshoj txoj kev nthuav dav peev xwm hauv nruab nrab thiab cov qauv kev muab khoom thiab kev thov txawv teb chaws, kev thauj khoom hauv hiav txwv thiab lwm yam thiab cov cim qhia, Tuam Tshoj cov khoom xa tuaj tau poob qis tas li, thiab kev vam khom kev xa khoom yuav poob qis mus rau 1.74% hauv xyoo 2023. Nyob rau lub sijhawm ntev, nrog rau kev nce ntxiv ntawm kev muab khoom hauv tsev, kev ua kom zoo dua qub ntawm cov khoom, qhov sib txawv ntawm kev muab khoom hauv tsev yav tom ntej yuav maj mam poob qis.