Pambuyo pa Chikondwerero cha Spring mu 2021, Mtengo wa zida zoyambira wakwera mosayembekezereka, ndipo makampani onse amayamikiridwa.Pazonse, kukwera kwamitengo yamtengo wapatali kumachitika chifukwa chakuyambiranso kwachuma cha China, zomwe zapangitsa kuti pakhale kusagwirizana pakati pa kupezeka ndi kufunikira kwa zinthu zopangira mafakitale ndi zinthu;Chifukwa cha kuchepa kwa mphamvu, Zida zina zoyambira zili ndi mphamvu zokwanira zopangira, Kusiyana pakati pa kupezeka ndi kufunikira kwakula, Ndipo kugwedezeka kwamagetsi kwapangitsa kuti mitengo ichuluke.
Kukwera kwamtengo wazinthu zofunikira kumapangitsa anthu kumva "oopsya."Zidziwitso zapagulu zikuwonetsa kuti poyerekeza ndi chiyambi cha 2020, zida zina zoyambira zawonjezeka ndi 200% pachaka, n-butanol yawonjezeka ndi 167% pachaka, acetic acid yawonjezeka kuposa 166% pachaka, ndipo mowa wa isooctyl wawonjezeka ndi 150% pachaka.Propane, polymeric MDI, etc. inakwera kuposa 100% chaka ndi chaka, ndipo zipangizo monga acetone, TDI, aniline, ethylene, ndi isopropanol zinakwera kuposa 50% pachaka.Pazonse, kuchotsa mafuta ndi gasi, kukonza mafuta, migodi yachitsulo yachitsulo ndi kukonza, ndi makampani opanga mankhwala opangira mankhwala ndizomwe zimakhala patsogolo pa kusintha kwa chaka ndi chaka.
Kuyambira kumayambiriro kwa mwezi wa March, 1,4-butanediol (BDO), zomwe zimagwiritsidwa ntchito popanga PBT, zinatchulidwa ku 31,500 CNY / Ton;mtengo wa bisphenol A womwe umagwiritsidwa ntchito kupanga PC ukukwera mpaka 24,133.33 CNY/Ton;maziko opangira PP The zinthu propylene ananyamuka kuti 8459 CNY/Ton;Mtengo wamafuta wapadziko lonse wa zinthu zofunika kwambiri zopangira PVC ndi mafuta onunkhira unakwera kuchoka pa 30 US dollars/mgolo kufika pa 85 US dollars/mgolo;mtengo wa epoxy resin, zinthu zoyambira zomwe zimagwiritsidwa ntchito popanga utomoni wochiritsika wa UV, zidakwera mpaka 30100 CNY/Ton;mtengo wazitsulo zomwe zimagwiritsidwa ntchito popanga malamba azitsulo-pulasitiki zidakwera kufika pa 5270 CNY/Ton.
Kuphatikiza apo, mtengo wamsika wa LLDPE wokhudzana ndi sheathing material polyethylene (PE) wakwera mpaka pafupifupi 8950-9200 CNY/Ton.Mtengo wa malo a LDPE, chizindikiro chachikulu cha ku Ulaya, chinakwera kufika pa 1,800 euro / Ton;mtengo wa polyolefin wopanda utsi wopanda utsi (EVA) unakwera mpaka 21,000-22,000 CNY/Ton;mtengo wamakono wa ulusi wa magalasi wadutsa 6,000 CNY/Ton;6625 CNY/Toni.
Zomwe zili pamwambazi zikuwonetsa kuti mtengo wazinthu zofunikira zokhudzana ndi kupanga fiber optical ndi chingwe nthawi zambiri umakhala wokwera kwambiri, ndipo kukwera kumeneku kudzapitirira pakapita nthawi.Kukwera mtengo kwa zinthu zofunika kwambiri kwadzetsa mavuto kwa opanga ma fiber opangira zinthu ndi zingwe, komanso kwadzetsa mavuto pamakampani opanga ma fiber ndi zingwe.Zimamveka kuti chifukwa cha kukwera kwa mitengo ya zinthu zofunika kwambiri, makampani opanga ma fiber optical ndi chingwe "akukwera".