Tse hlano, lethathamo la thepa: khatello ea thepa e phahame
Ho na le molao oa sehla oa lihlahisoa tsa sechaba tsa PVC: ho bokella kotareng ea pele → ho fokotseha karolong ea bobeli → ho tlosoa ha thepa e tsoelang pele karolong ea boraro → ho tlatsa karolo ea bone.Ho tloha ka Pherekhong ho isa ho Hlakubele nakong ea tšebeliso ea nako e sa sebetseng, pokello ea nako ea PVC ho ea boemong bo tloaelehileng ba lilemo tse fetileng.Leha ho le joalo, ho tloha ka March ho ea ho May, lebelo la polokelo le lieha, haholo-holo ka lebaka la tlhokahalo e fokolang ea malapeng, ho itšetlehile ka tlhokahalo e matla ea kantle ea ho ea polokelong.Ho tloha bohareng ho isa bofelong ba Mots'eanong, tlhoko ea kantle ea PVC e fokotsehile hanyane, tlhoko ea lapeng e ntse e fokola, e leng se ileng sa etsa hore PVC e qale ho bokellana.
Ho ea ka theko ea mashala ea 800 yuan / tonne, theko ea mashala ea 1250 yuan / tonne, phaello ea 100 yuan / tonne, theko ea motlakase ha e nyolohe ka 0.25 yuan, litšenyehelo tsa calcium carbide tse ka bang 3000 yuan / tonne, ho latela phaello e tloaelehileng. boemo ba 400 yuan/ton, calcium carbide theko ea 3400 yuan/ton, thepa 400 yuan/ton, theko ea kantle ea merafo ea calcium carbide ka 3800 yuan/ton, Theko e tsamaellanang ea PVC ka Bochabela ho China ke 6800 yuan/ton, phaello e ea fetoha. ho tloha ho -500 ho ea ho +1500, 'me theko ea PVC e fetoha pakeng tsa 6300-8300.
Qetello ea thepa e tala: calcium carbide qetellong ea thepa e tala e thata ho fana ka tšehetso ea litšenyehelo halofo ea pele ea 2022. Ho fapana le 2021, tšitiso e fokolang ea motlakase ea khalsiamo ea selemo sena e fokotsehile, 'me phepelo ea calcium carbide e khethoa ke kaho ea eona le tlhokahalo ea PVC.Tlhokahalo e tiileng ea PVC ha e tsitsa, hula setsi sa calcium carbide sa matla a khoheli, se lebisang tahlehelong likhoebong tse ling tsa calcium carbide, khatello e ntseng e eketseha ea likepe, ho ba teng ha phokotso ea theko ho hlahisa phaello ea ho tsamaisa thepa.E angoa ke phaello ea phaello, sekhahla sa ts'ebetso sa calcium carbide selemong sena ha se bapisoa le nako e tšoanang selemong se fetileng se theohile, lehlakore la phepelo le fokotsehile.
Lehlakore la phepelo: sekhahla sa ts'ebetso sa PVC se shebana haholo le phaello ea sona.Halofo ea pele ea selemo, phaello ea likhoebo tsa tlhahiso ea PVC e ntle bakeng sa boholo ba nako.Ka hona, le hoja boemo ba nako e tšoanang selemong se fetileng bo fokotsehile, tekanyo ea ts'ebetso ea PVC e ntse e le boemong bo phahameng ba histori selemong sena.Tlhokomelo e latelang e fokotsehile, 'me qetello ea phepelo ea PVC e ka ba tlas'a khatello.
Qetello ea tlhoko: PVC ke ea thepa ea morao-rao ea thekiso ea matlo le meaho, 'me tlhoko ea thekiso e hokahane le thekiso ea matlo.Tšebeliso e bonahalang ea PVC e na le kamano e phahameng le ho phethoa, e salang hanyane ka mor'a qalo e ncha.Ka 2022, ho ile ha hlahisoa litheolelo tsa phaello ea lehae hammoho le mehato ea ho tsitsisa kholo, 'me litebello tse matla li etsahetse makhetlo a' maloa lehlakoreng la tlhoko.Leha thepa e romelloang kantle ho naha e ile ea hola ka potlako ho feta kamoo ho neng ho lebelletsoe, tlhokeho ea lehae ha e e-s'o ka e hlaphoheloa haholo, 'me 'nete e fokolang e ne e feta tebello e matla.Matlo a matlo a tsosolosoa butle-butle karolong ea bobeli ea selemo, tlhokahalo ea PVC e lebeletsoe ho lokolla sebaka se lekanyelitsoeng, 'me tlhokahalo ea ka ntle e ka' na ea fokola, ka kakaretso, lehlakore la tlhokahalo le lebeletsoe hore le ntlafatse empa le lekanyelitsoe.
Halofo ea bobeli ea 2022, re hakanya hore phepelo ea PVC le tlhoko e ka bonts'a ntlafatso e nyane ha e bapisoa le halofo ea pele ea selemo, empa ntlafatso e tlisoang ke tlhoko e na le moeli, setsi sa theko ea PVC sa matla a khoheli kapa mokhoa o fokolang, PVC e lebelletsoe. ho feto-fetoha pakeng tsa 6300-8300, 'maraka kapa ho tsoela pele ho hype ka lehlakoreng la tlhokahalo ea "litebello tse matla" le "'nete e fokolang".
Nako ea poso: Dec-27-2022