Nyob rau lub Cuaj Hli, kev lag luam luam ntawv thiab dyeing hauv tsev tau nkag mus rau "golden cuaj thiab nyiaj kaum" lub caij nyoog. Tsav los ntawm ob qho tib si nce nqi ntawm cov khoom siv raw khoom thiab kev xav tau ntau ntxiv los ntawm cov kev lag luam hauv qab xws li kev lag luam textile, kev lag luam disperse dyestuff tau pib rov qab los, nrog cov nqi nce thaum lub Yim Hli thiab tom qab ntawd dua rau lub Cuaj Hli. Ntau lub tuam txhab dyestuff tau tshaj tawm tias lawv tab tom yuav nce lawv cov nqi.

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mit-ivy kev lag luam tuam txhab

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nrog hwm zoo thiab tus nqi thiab txais tos los tham.

Raws li qhov chaw, lub tuam txhab dyestuff ua lag luam, mit-ivy kev lag luam tuam txhab, tam sim no muab 32,000 yuan ib tuj rau loj disperse dyestuffs, nce los ntawm tus nqi qis tshaj ntawm 22,000 yuan nyob rau hauv thawj ib nrab ntawm lub xyoo no. Muaj kev xav dav dav hauv kev lag luam uas nce nqi channel hauv kev lag luam dye tau qhib.

Nws tau kwv yees tias nyob rau lub quarter thib plaub ntawm 2020, txawm hais tias qhov kev thov hauv kev lag luam dyeing tsis zoo dua li xyoo dhau los, nws xav tias yuav txhim kho tau zoo dua piv rau thawj peb lub hlis twg. Raws li kev sib kis tau zoo zuj zus ntxiv, kev txiav txim los ntawm cov chaw luam ntawv thiab dyeing yuav nce ntxiv, thiab cov qauv yog rau kev luam ntawv thiab dyeing factories kom ntxiv lawv cov khoom muag thiab yuav khoom raws li qhov xav tau.

Nyob rau hauv thawj ib nrab ntawm lub Cuaj Hli Ntuj, lub hauv paus ntsiab lus ntawm Zhejiang thiab Jiangsu dispersed dub ECT300% kev lag luam mainstream muab ntawm txog 32 yuan / kg, qhov tseeb ib qho kev sib tham ntawm 27-28 yuan / kg; Guangdong, Fujian cheeb tsam los sib tham tus nqi ntawm 32 yuan / kg nyob ze.

Ntau lub tuam txhab dyestuff tau taw qhia tias vim tus nqi nce ntawm cov tub ntxhais nruab nrab ntawm cov dyestuff, tus nqi ntawm cov khoom tseem ceeb ntawm cov dyestuff disperse tau nce mus rau 32,000 yuan / tuj, tab sis tus nqi pauv tseem tsis tau txog, feem ntau yog vim cov laus. kev txiav txim yuav tsum tau ua raws li tus nqi dhau los. Txawm hais tias muaj qee tus nqi nce ntxiv, piv nrog lub voj voog keeb kwm, tus nqi txij thaum pib ntawm lub xyoo mus rau thawj ib nrab ntawm lub xyoo yog nyob rau theem qis hauv ob lossis peb xyoos dhau los, yog li tom qab ob peb lub hlis ntawm cov nqi nce, cov tus nqi tam sim no tsuas yog nyob rau theem nrab. Xyoo no tus nqi qis yog nyob nruab nrab ntawm 22,000 thiab 23,000 ib tonne tus nqi pauv.

Tam sim no, tsuas yog cov tuam txhab tsim hluav taws xob tsim IEDs yog Mit-ivy Industry tuam txhab thiab cov tuam txhab tshuaj east ivy, thiab cov tuam txhab tshuaj east ivy yuav tsum tau tso tseg thaum Lub Xya Hli vim muaj teeb meem kev tswj hwm kev nyab xeeb, thiab ua kom tiav cov kev kho thiab kev lees txais ua ntej Lub Kaum Hli 9. Tom qab ntawd rov pib tsim khoom tom qab kev pom zoo tom qab tau dhau los, tsuas yog Mit-ivy Kev Lag Luam Tuam Txhab, uas tsim cov dye intermediate meso-phenylenediamine, tuav ntau tshaj 99% ntawm kev ua lag luam, ua rau cov khoom lag luam tsis txaus.

Txij li thaum Lub Xya Hli xyoo no, tus nqi ntawm M-Phenylenediamine tau nce mus rau 70,000 yuan ib tuj, lossis ntau dua 15%. Nyob rau hauv xyoo tas los no, tus nqi ib tonnes ntawm M-Phenylenediamine tau mus txog qhov siab ntawm 150,000 yuan, thiab tseem zoo li muaj chaw rau tus nqi nce.

Tam sim no, raws li qhov kev thov hauv qab tau maj mam rov qab los thiab cov nqi ntawm cov khoom siv raw li yog-phenylenediamine, cobalt chloride thiab cobalt sulfate tau nce, cov nqi nce tau txhawb nqa ntau tus neeg tsim khoom kom nce lawv cov nqi. Tus nqi ntawm disperse dyes tam sim no nyob rau theem siab, tab sis lawv tseem nyob rau theem qis mus rau nruab nrab piv rau cov nqi keeb kwm. Txoj cai hloov tus nqi ntawm cov lag luam nce toj tuaj yeem ua rau cov tswv lag luam rov ua cov khoom muag lossis cov khoom lag luam ua ntej.

Nws yog ib qho tseem ceeb uas, raws li ib lub hauv paus, East ivy tshuaj tuam txhab, ib tug loj tsum ntawm mesophenylenediamine nyob rau hauv Tuam Tshoj nrog ib xyoos twg muaj peev xwm ntawm 15,000 tons, resumed ntau lawm thaum kawg ntawm lub Tsib Hlis xyoo no thiab tsis ntev los no tso tseg ntau lawm. Yog vim li cas yog lub tuam txhab tshuaj East ivy tau pom tias muaj teeb meem loj hauv kev tswj hwm kev nyab xeeb, kev nyab xeeb kev nqis peev thiab kev cob qhia cov neeg ua haujlwm thiab kev kawm thaum lub sijhawm "Casting Safety 2020" kev tshuaj xyuas hauv Sichuan xeev, thiab tau hais kom tso tseg kev tsim khoom thaum Lub Xya Hli thiab ua tiav kev kho thiab kev lees txais ua ntej Lub Kaum Hli 9. Kev rov ua haujlwm ntawm kev tsim khoom tau ua rau muaj kev txhawj xeeb txog kev ruaj ntseg ntawm cov khoom mesophenylenediamine.

Kev txiav txim los ntawm downstream dyeing thiab luam ntawv mills twb rov qab los, yog li lawv cov khoom siv raw khoom tseem loj hlob, ua rau lawv ua rau lawv cov khoom muaj nqis ntxiv. Thiab tom qab ob tus nqi nce thaum Lub Yim Hli thiab Cuaj Hli, cov neeg siv khoom qis kuj tseem yuav muaj kev ntshai tias tus nqi yuav nce ntxiv, yog li lub sijhawm no lawv yuav mus kaw ib feem ntawm cov khoom siv raw khoom lig, ua rau lub hom phiaj yuav tsis ntev los no. txhim kho.

mit-ivy kev lag luam daim ntawv tshaj tawm, Tam sim no, Tuam Tshoj yog tus tsim khoom loj tshaj plaws ntawm cov xim, cov chaw lag luam dyeing feem ntau yog nyob hauv Zhejiang, Jiangsu thiab Shanghai, peb lub hauv paus ntsiab lus, nws cov khoom tsim thiab xa tawm cov dyes accounted rau ntau tshaj 90% ntawm lub teb chaws ua lag luam. ntim. Cov tuam txhab ua lag luam yog Mit-ivy Kev Lag Luam Tuam Txhab, Runtu, Yabang, Jihua Group, Anocy, thiab lwm yam, uas muaj cai hais lus hauv khw.

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mit-ivy kev lag luam tuam txhab

info@mit-ivy.com

Nrog hwm zoo thiab tus nqi thiab txais tos los tham.

Raws li ib qho ntawm Tuam Tshoj cov tuam txhab tsim khoom saum toj kawg nkaus 500, Mit-ivy Kev Lag Luam Tuam Txhab muaj peev xwm tsim tau txhua xyoo ntawm 300,000 tons ntawm dyestuffs thiab 100,000 tons ntawm additives, ua rau nws yog lub ntiaj teb loj tshaj plaws dyestuff chaw tsim tshuaj paus. Nrog 80,000 tons ntawm cov khoom muaj peev xwm thiab ze li ntawm 20,000 tons ntawm lwm cov dyes, nws muaj qhov thib ob loj tshaj plaws ntawm cov khoom lag luam hauv tsev. Jihua Group, uas nyob rau qib thib peb hauv kev lag luam hauv cov ntsiab lus ntawm disperse dyes ntau lawm, tam sim no muaj peev xwm ntawm 70,000 tons ntawm disperse dyes, 15,000 tons ntawm reactive dyes thiab 10,000 tons ntawm lwm yam dyes.

Raws li kev txheeb xyuas los ntawm Inner Mongolia Chemical Industry WeChat, tus nqi ntawm cov xim disperse yog nyob rau ntawm nws qhov qis tshaj plaws hauv peb lub xyoos dhau los, thaum cov xim reactive nyob rau ntawm lawv qhov qis tshaj plaws hauv 10 xyoo dhau los. Nrog rau feem ntau cov tuam txhab dyeing ntawm verge ntawm kev poob, nqi hikes yog tib txoj kev los cawm lawv tus kheej. Nyob rau hauv lub neej yav tom ntej, tseem muaj chaw rau tus nqi nce nyob rau hauv disperse dye lag luam, thiab luam ntawv thiab dyeing tuam txhab uas muag tau qhia kom npaj ua ntej.

Environmental Protection Engineering cov chaw, ib qho teeb meem ntawm kev ciaj sia thiab kev loj hlob

Dyeing thiab luam ntawv tuam txhab uas muag yuav tsum xaiv cov cuab yeej technology

Sib sib zog nqus COD tshem tawm thiab decolorization ntawm luam ntawv thiab dyeing dej khib nyiab

Dyeing wastewater yog ib qho ntawm cov dej khib nyiab tseem ceeb, feem ntau yog los ntawm kev tsim cov dyestuffs thiab dye intermediates, suav nrog niam cawv los ntawm crystallization ntawm ntau yam khoom thiab cov khoom nruab nrab, cov ntaub ntawv poob hauv cov txheej txheem tsim khoom thiab cov dej khib nyiab los ntawm kev ntxuav hauv av. Raws li kev lag luam luam ntawv thiab dyeing txuas ntxiv zuj zus, nws cov dej khib nyiab tau dhau los ua qhov loj ntawm cov dej paug.

Raws li cov neeg ua haujlwm technical ntawm Jiangsu Hapu Functional Materials Co., Ltd, Tuam Tshoj yog lub teb chaws loj dyestuff tsim, thiab kev lag luam textile dyestuff tau txhim kho sai nyob rau xyoo tas los no, nrog rau Tuam Tshoj cov khoom tsim tawm ntawm ntau yam dyestuffs mus txog 900,000 tons, suav txog li 60. % ntawm lub ntiaj teb dyestuff ntau lawm. Raws li cov yam ntxwv sib txawv ntawm cov xim, cov xim tuaj yeem muab faib ua ntau pawg, raws li lawv cov qauv tshuaj: azo dyes, anthraquinone dyes, indigo dyes, sulfur dyes, quinine dyes, triarylmethane dyes, heterocyclic dyes.

Txawm li cas los xij, cov dej khib nyiab uas muaj cov dej-soluble reactive dyes kuj yog ib qho ntawm cov dej khib nyiab nyuaj los kho, thiab cov txheej txheem kev kho dej tsis zoo hauv kev kho cov dyes. Feem ntau ntawm cov dyes uas muaj cov hlau hnyav muaj chromium, uas yog carcinogenic, disperse dyes tsis muaj nyob rau hauv ions nyob rau hauv kev daws, ntau disperse dyes yog bioaccumulative, thiab disperse dyes yog chemically ruaj khov thiab tsis zoo biodegradable, yog li ntawd, ib txwm siv dej kho cov tshuaj lom neeg tsis muaj. zoo heev rau tshem tawm disperse dyes

I. Cov yam ntxwv ntawm kev luam ntawv thiab dyeing dej khib nyiab

Nyob rau hauv cov txheej txheem ntawm dyestuff ntau lawm, xws li sulfonation, nitrification, diazotization, txo, oxidation thiab acid (ntsev) cais, ib tug loj tus naj npawb ntawm cov pa phem yog tsim.

Nws tau kwv yees tias 90% ntawm cov khoom siv tsis zoo thiab 10% ~ 30% ntawm cov khoom siv organic hauv kev tsim cov dyestuffs raug xa mus rau dej.

Dye dej khib nyiab muaj cov yam ntxwv hauv qab no.

(1) Feem ntau ntawm cov organics nyob rau hauv cov dej khib nyiab yog benzene, naphthalene, anthracene, quinone thiab lwm yam tshuaj tsw qab yog cov khoom siv niam txiv, thiab nrog rau cov xim tseem ceeb, tsaus heev, nrog chromaticity ntawm 500-500000, uas yog cov pa phem heev.

(2) Cov tshuaj dye thiab nruab nrab molecules feem ntau muaj cov pawg polar, uas txhim kho cov dej solubility thiab ua rau cov khoom poob loj vim cov txheej txheem tsim khoom thiab cov qauv molecular.

(3) Cov dej khib nyiab feem ntau yog acidic, tab sis kuj alkaline, thiab feem ntau muaj cov ntsev ntau.

(4) Qhov kev thov ntau ntxiv rau cov xim muaj xim, qhov ntau ntxiv ntawm cov dyestuffs, thiab kev txhim kho ntawm kev tiv thaiv photolysis, oxidation thiab biodegradation ua rau cov dej khib nyiab ntau dua thiab nyuaj rau kev kho los ntawm kev kho dej.

(5) Cov xim thiab luster ntawm dyeing khib nyiab feem ntau yog tsaus, thiab cov cuab yeej biochemical tsis zoo. Tsis tas li ntawd, cov dej khib nyiab hauv cov txheej txheem luam ntawv muaj ntau cov dyestuffs thiab auxiliaries nrog rau ntau cov slurries, yog li BOD5 thiab COD ntawm cov dej khib nyiab kuj muaj siab heev.

Thib ob, kev kho cov luam ntawv thiab dyeing cov dej khib nyiab

1. Membrane cais txoj kev

Membrane sib cais txoj kev yog kev siv cov yeeb yaj kiab tshwj xeeb ntawm cov kua dej xaiv permeability ntawm qee yam ntawm cov txheej txheem, feem ntau siv cov txheej txheem sib cais membrane yog kev lim ntshav, electrodialysis, ultrafiltration thiab thim rov qab osmosis, tab sis cov txheej txheem sib cais membrane vim qhov concentration ntawm qhov sib txawv polarization. , daim nyias nyias muaj kuab paug thiab tus nqi ntawm cov khoom siv kim heev, qhov hloov zaus yog nrawm dua, yog li cov nqi kho mob siab dua, yog li cuam tshuam rau cov txheej txheem sib cais membrane rau cov ntawv loj loj.

2. Txoj kev rho tawm

Txoj kev rho tawm los kho cov dej khib nyiab yog siv cov dej tsis sib haum lossis tsis sib haum hauv cov kuab tshuaj kom tshem tawm cov xim molecules los ntawm dej. Feem ntau siv cov txheej txheem extraction yog kua extraction, electrophoretic extraction, kua membrane txoj kev.

3. Radiation txoj kev

Microwave hluav taws xob yog txoj kev siv hluav taws xob uas feem ntau siv hauv kev kho cov dej khib nyiab, tab sis qhov kev sib tw tseem ceeb ntawm cov cuab yeej siv no yog siv los tsim cov khoom siv hluav taws xob uas kim heev, cov kev xav tau siab, thiab cov txheej txheem ntawm kev siv hluav taws xob loj, kev siv hluav taws xob yog qis; ntxiv rau kom tsis txhob muaj kev puas tsuaj ntawm hluav taws xob rau tib neeg lub cev, tab sis kuj xav tau kev tiv thaiv tshwj xeeb. Yog li ntawd, txoj cai yuav tsum tau muab tso rau hauv kev ua haujlwm, kuj yuav tsum tau ua ntau yam kev tshawb fawb thiab kev tshawb nrhiav.

4. Txoj kev oxidation

Oxidation method kuj yog ib txoj hauv kev zoo rau kev kho dej khib nyiab uas muaj dyestuff, feem ntau suav nrog kev kub siab sib sib zog nqus oxidation txoj kev, tshuaj oxidation txoj kev thiab photocatalytic oxidation txoj kev.

5. Coagulation

Coagulation yog ib hom kev kho dej khib nyiab, feem ntau yog coagulation thiab sedimentation txoj kev, coagulation thiab huab cua flotation method.

6. Cov txheej txheem lom neeg

Txoj kev lom neeg yog siv dav hauv cov dej khib nyiab. Cov txheej txheem lom neeg muaj qhov zoo ntawm cov txiaj ntsig kev kho mob zoo thiab cov nqi khiav lag luam tsawg, tab sis vim yog vim li cas, cov txheej txheem tsis ruaj khov thiab tsis siv dav, thiab muaj kev cuam tshuam zoo heev los ntawm lwm yam, yog li nws tau txwv rau kev siv tswv yim rau qee yam. .

7. Txoj kev adsorption

Lub adsorption efficiency yog cuam tshuam los ntawm ntau yam physicochemical yam, xws li dye - adsorbent kev sib cuam tshuam, tshwj xeeb thaj chaw ntawm adsorbent, particle loj ntawm adsorbent, kub, pH nqi thiab lub sij hawm adsorption.

Kev xav tau ntawm cov neeg siv khoom lag luam

Qhov xwm txheej ntawm cov dej khib nyiab yog qhov tsis tuaj yeem kho los ntawm cov txheej txheem ib txwm ua kom tau raws li cov qauv kev tso tawm, yog li ntawd, cov txheej txheem adsorption tsim los ntawm Hapu Functional Materials tuaj yeem siv los kho hom dej khib nyiab no kom ua tiav qhov sib npaug ntawm cov txiaj ntsig kev kho mob thiab kev lag luam. .

Kev kho dej khib nyiab xav tau ntawm cov neeg siv khoom lag luam uas tsim cov dej khib nyiab muaj xws li peb lub ntsiab lus hauv qab no.

(1) Kev tshem tawm tau zoo thiab ruaj khov ntawm COD thiab chromaticity ntawm cov dej khib nyiab kho kom qis dua qhov tso tawm.

(2) Tsawg tus nqi peev ib zaug, cov nqi khiav lag luam tsawg thiab kev ua haujlwm yooj yim thiab kev saib xyuas cov khoom siv.

(3) Cov txheej txheem Advanced thiab txhim khu kev qha, tsis muaj kuab paug thib ob.

D. Hapo luam ntawv thiab dyeing dej khib nyiab txheej txheem manufacturers thiab daim ntawv thov rooj plaub

Lub hauv paus ntsiab lus ntawm Hapu adsorption txheej txheem yog xaiv adsorb cov khoom lossis cov khoom kom tshem tawm los ntawm kev siv cov adsorbent tshwj xeeb tsim los ntawm peb lub tuam txhab, thiab thaum lub adsorption yog saturated, cov adsorbent yuav desorbed los ntawm kev siv ib qho desorbent los tsim cov adsorbent.

Hapo printing thiab dyeing dej khib nyiab txheej txheem manufacturers thiab daim ntawv thov rooj

1. Ib lub lag luam hauv xeev Shandong xav kom cov ntsiab lus COD hauv cov dej khib nyiab kho kom qis dua 500mg / L. Cov txiaj ntsig kev sim tshuaj pom tau hais tias COD hauv cov dej khib nyiab tuaj yeem ruaj khov qis dua 500mg / L los ntawm kev siv tshuaj adsorption.

Cov nyhuv adsorption ntawm dye dej khib nyiab yog qhia nyob rau hauv lub rooj.

COD hauv cov dej khib nyiab tuaj yeem ua tau raws li qhov yuav tsum tau ua tom qab kev kho adsorption. Lub tuam txhab no tau txais cov adsorbent thiab txheej txheem pob ntawm Jiangsu Hapu Functional Materials Co.

Cov dej khib nyiab tsim nyob rau hauv cov txheej txheem ntau lawm ntawm kev luam ntawv thiab dyeing enterprise, tom qab biochemical thiab ntau yam pom, COD ntawm cov effluent tseem nyob deb tshaj li qhov yuav tsum tau emission thiab cov xim siv ntau, yog li yuav tsum tau kho ntxiv. Cov dej khib nyiab tau sim nrog cov khoom siv tshwj xeeb adsorbent ntawm Hapu, thiab cov txiaj ntsig tau pom tias cov organic indestructible hauv cov dej khib nyiab tuaj yeem ua rau lub hom phiaj sib cais ntawm cov dej khib nyiab thiab cov adsorbed effluent tuaj yeem ua tau raws li cov qauv emission.

Lub tuam txhab textile tuaj yeem tsim tau ~ 2500t dej khib nyiab txhua hnub hauv cov txheej txheem tsim khoom. Txoj cai tswjfwm hais tias cov dej khib nyiab rov qab siv dua ntawm kev lag luam luam ntawv thiab dyeing yuav tsum ncav cuag 60%, thiab cov txheej txheem kho dej khib nyiab uas twb muaj lawm ntawm lub tuam txhab no muaj cov dej biochemical ntau dhau COD thiab tsis tuaj yeem ncav cuag tus qauv siv dua.

Raws li cov kev xav tau ntawm kev lag luam, cov dej khib nyiab tuaj yeem kho tau los ntawm kev siv Hapu cov khoom tshwj xeeb adsorbent ua ke nrog cov txheej txheem adsorption kom tau raws li cov kev xav tau rov qab siv dua, uas tuaj yeem daws cov teeb meem kev kho dej khib nyiab ntawm lub lag luam thiab tib lub sijhawm txo tus nqi ntawm cov khoom siv. Kev kho cov dej khib nyiab tawm thiab cov nqi ntawm cov dej tshiab, uas muaj txiaj ntsig kev lag luam.

Cov ntaub ntawv tseeb ntawm daim ntawv thov ntawm adsorbent rau luam ntawv thiab dyeing dej khib nyiab

daim ntawv thov teb

V. Hapu lub ntsiab zoo

Cov txheej txheem tam sim no ntawm kev kho cov dej khib nyiab muaj lawv tus kheej qhov tsis txaus, ob qho tib si ntawm kev kho mob thiab lawv cov nqi khiav haujlwm.

Membrane sib cais txoj kev muaj teeb meem ntawm daim nyias nyias muaj kuab paug thiab kim membrane, ceev hloov zaus thiab cov nqi kho mob siab.

Qhov tsis zoo ntawm txoj kev rho tawm yog kev noj ntau ntawm cov extractant, thiab kev sib cais ntawm cov extractant yog qhov nyuaj dua, tus nqi siab rau ib tuj ntawm kev kho dej, tsis tuaj yeem ua ntau qhov kev kho mob tas mus li.

Txoj kev hluav taws xob tseem tsis tau paub tab technology, kev siv hluav taws xob, kev siv hluav taws xob tsawg; ntxiv rau kom tsis txhob muaj kev phom sij ntawm hluav taws xob rau tib neeg lub cev, tab sis kuj xav tau kev tiv thaiv tshwj xeeb.

Cov txheej txheem coagulation, oxidation thiab lom tsis tuaj yeem ua tau raws li qhov yuav tsum tau tso tawm ib zaug, thiab lawv tsis tuaj yeem tso tawm kom ruaj khov.

Ntawm qhov tod tes, txoj kev adsorption tuaj yeem tshem tawm cov organics los ntawm cov dej khib nyiab kom qis dua tus nqi tso tawm, uas yog ib txoj hauv kev zoo thiab zoo los kho cov dej khib nyiab.

Qhov zoo ntawm txoj kev adsorption muaj xws li hauv qab no.

(1) ruaj khov ua raws li cov qauv emission, uas tuaj yeem txo qhov siab ntawm kev tiv thaiv ib puag ncig kev lag luam.

(2) Ua cov kev sim ntawm cov qauv ntawm cov dej khib nyiab uas tsim los ntawm qhov chaw, tsim cov txheej txheem adsorption raws li kev siv tshuab thiab kev sim, thiab ua tiav qib siab ntawm kev sib txuam ntawm cov dej khib nyiab thiab cov txheej txheem.

(3) Cov cuab yeej siv nyob rau hauv cheeb tsam kev lag luam, muaj cov qauv compact thiab qis peev hauv kev tsim kho vaj tse thiab khoom siv; lub desorbent yog siv ob peb zaug thiab thickened kauj ruam yog kauj ruam, nrog siab siv tus nqi ntawm tus neeg sawv cev thiab tsis tshua muaj nqi khiav hauj lwm.

(4) Modular Cheebtsam tuaj yeem ua tiav nyob rau hauv daim ntawv ntawm cov modules, uas tuaj yeem hloov kho raws li qhov muaj peev xwm ntau lawm thiab yooj yim rau nruab.

(5) Cov thev naus laus zis siab tshaj thiab paub tab, tsis muaj kev ua qias tuaj, nrog rau kev siv zog thiab kev nplua nuj hauv kev siv engineering.

whatsapp: +86 13805212761 = wechat

http://www.mit-ivy.com

mit-ivy kev lag luam tuam txhab

info@mit-ivy.com

Nrog hwm zoo thiab tus nqi thiab txais tos