Litaba

Tlhaloso e chesang ea PVC: Ho tsoa ho phaello ea histori, khetho (3)

3. Phetoho ea phaello e fokolang ea PVC le khetho ea leano

Phaello le kaho tse tšohloang ke PVC e le mohlala.Phetoho ea 'maraka oa PVC e ipapisitse le sengoloa se boletsoeng ka holimo, mme mohopolo oa "valuation+driver" o hlahlojoa ke "valuation+driver" logic.E le tekanyetso ea boleng bakeng sa phaello, ha likhoebo tsa PVC tsa lefats'e le ka ntle li fihla sebakeng se itseng sa phaello (1000 ka holimo), ho bolela hore phaello ea kakaretso ea indasteri e ntle, e ka sebelisoang e le tekanyetso e phahameng, le indasteri. e qala ka potlako empa tlhokeho ke tlhokahalo.Nakong ea off-season, inventory e khannoa fatše, 'me ka mor'a ho bona holimo, e sebelisoa e le papali e se nang letho.Ha tahlehelo ea ho kopanya chlorine -alkali, likhoebo tse ngata indastering li ka lahleheloa ke chelete e le litekanyetso tse tlase.Ka nako ena, mokhanni o hloka ho eloa hloko.Bakeng sa metheo ea PVC, tlhokahalo hangata e ntlafatsoa mme ho tloha ho potlakile.

Leha ho le joalo, ts'ebetsong ea 'nete, u ka kopana le "mokhanni oa boleng bo tlaase + ho ea holimo" ho bapisa ho feta kapa "theko e phahameng ea boleng + e theoha" ho ea ho nako ea ho bapisa moea.Sengoloa se kaholimo sa PVC ho tloha 2016 ho isa 2023 e ne e le mohlala.Ho tloha 2016 le 2020-2021, keketseho ea li-dial-up tse peli e ne e le ho feta ho li-drive tse kholo, ho kenyelletsa le ntlafatso ea indasteri ea thekiso ea matlo ka 2016, leano le hlephileng la lichelete ka 2020, carbon e ile ea fokotseha ka 2021. Ka nako e ts'oanang Sethaleng , phaello ea indasteri e phahame.Tahlehelo ea indasteri e eketsehile ho tloha ka June 2022, empa tlas'a tšehetso ea alkaline -chelete phaello, mohaho oa indasteri ha o totobetse, 'me tlhokahalo e susumetsoa ke thekiso ea matlo.Kamehla ha e totobetse, 'me' maraka o ntse o tsoela pele ho fokola.Leha e le maemong a tlase haholo empa ha e na koloi, theko ea PVC e ntse e phahama ka tlase selemong sena.

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Ho latela PVC ea hajoale, phaello ea lik'hamphani tsa PVC tsa Shandong e haufi le -800.Ho tloha ka Phuptjane selemong se fetileng, e ntse e lahleheloa ke chelete.Phaello e kopaneng ea Shandong e ka ba 200.Selemong sena, e bile boemong ba tahlehelo e nyane.Ka lebaka la molemo oa litšenyehelo le phaello ka leboea-bophirimela, ho fokotseha ha tlhahiso ka leboea-bophirimela ha ho totobetse.Karolong ea pele ea selemo sena, ho ne ho e-na le lisebelisoa tse ncha tsa 2-3 tsa lisebelisoa tse ncha.Tlhahiso ea thepa e phahameng e ile ea tsoela pele selemong se fetileng.Karolong ea pele, e ntse e le boemong ba phepelo, kahoo le hoja PVC e le boemong bo batlang bo le tlaase, theko e thata ho e etsa.Ho ea ka pono ea "valuation + driver", boleng bo tlaase ke boemo bo lekaneng ba hore theko e phahame nakong e tlang ho e-na le maemo a hlokahalang.PVC ea selemo sena e tsamaisoa ke tlhokahalo.PVC ea nako e khuts'oane e tla ntšetsa pele mokhoa o tlase oa vibrate.Ka April, ho ba teng ha tlhokomelo ea lehlabula le ho batla litebello tsa ho hlaphoheloa, kahoo o ka leka chelete e nyenyane le ho feta ka theko ea hona joale.

Akaretsa
Phaello e tla ama mokhoa oa boitšoaro oa khoebo.Joaloka indasteri ea lik'hemik'hale, lik'hamphani tse holimo li batla li tsepamisitse maikutlo.Ka nako e khutšoanyane, liphetoho tsa phaello ka nako e khutšoanyane li tla ama kaho ea ho ea holimo.Phaello e fetisetsoa pheletsong ea theko ka ho ama phepelo.Ha re hetla morao 'marakeng oa nalane ka mohopolo o tloaelehileng oa "valuation + driver", theko hangata ke maemo a lekaneng, 'me boholo ba tšusumetso ea' maraka e ho mokhanni.Rebound e khutlela ho tloaelehileng (mohlala, litšenyehelo tsa ho lokisoa ha serame li phahame, khalase e ke ke ea bata ha khalase e lahlehile, 'me lehlakore la phepelo le ke ke la fokotseha hang-hang).Ka nako e ts'oanang, indasteri ha e na phaello.Boleng ba boleng ke ho kopanya metheo ea sehlahisoa.Ka mohlala, tlas'a tekanyetso e phahameng ea mefuta e kang PVC, ho theoha ho tla fokotsa ho reka thepa, 'me alkali e tšoanang le khalase e tlaase e hlokahala feela.Thepa e tala ha e khone ho emisa phepelo.Nako e telele).Ho phaella moo, ha u ahlola tekanyetso, u lokela ho ela hloko mokhoa oa sehlahisoa.Ka mohlala, bakeng sa PVC, matla a tlhahiso ea pokello ea motlakase ea ka ntle e na le matla a fokolang a tlhahiso.Lehlakore la phepelo le bakile tšusumetso e kholo, mme indasteri ea tahlehelo ea phaello ea likhoebo tse kopaneng tsa chlorine -alkali e tla fetoha.Ha u khetha leano, boleng ba boleng bo ka fetisetsoa ho e 'ngoe ea likhetho.Ho hlokahala haholoanyane ho bona matla a mokhanni.Ho nka mohlala oa PVC, boleng ba hajoale ba likhoebo tse ngata ha bo so be holimo ka lebaka la tahlehelo ea tahlehelo.Tlhokahalo, ho lebeletsoe ho fokotsa tlhahiso ka April le keketseho ea tlhokahalo.Ho ea ka pono ea phaello le tahlehelo ho feta pono ea phaello le tahlehelo, chelete e nyenyane e ka bapisoa le theko ea hona joale.Tsepamisa maikutlo holim'a boemo ba libaka tsa morao-rao.lekanyetsoa.


Nako ea poso: Mar-31-2023