Gasket innovation boosting sustainability?

Xov Xwm Tshaj

 Gasket innovation boosting sustainability? 

2026-02-01 IB

Thaum koj hnov 'sustainability' thiab 'gaskets' hauv tib kab lus, feem ntau lub siab dhia ncaj nraim mus rau cov khoom siv rov qab. Qhov ntawd yog qhov cuab yeej cuab tam. Cov dab neeg tiag tiag yog deb deb, tsawg dua ntawm ib qho khoom siv khawv koob thiab ntau ntxiv txog kev sib tsoo - txuas ntxiv kev pabcuam lub neej nyob rau hauv cov xwm txheej phem, txiav cov emissions mus ze-xoom, thiab yog, qee zaum qhov ntawd cuam tshuam nrog cov polymer tshiab, tab sis ib yam li feem ntau nws yog hais txog kev tsim tweak lossis kev sib khi geometry peb stumbled rau vim tias tus neeg siv lub twj tso kua mis tsis ua haujlwm. Nws yog incremental, feem ntau tsis pom kev. Kev txhawb nqa kev ruaj ntseg tsis yog ib txwm nyob hauv daim ntawv qhia; Nws yog nyob rau hauv lub sij hawm txo downtime, tsis txhob xau, thiab tons ntawm cov txheej txheem dej tsis ploj mus rau qhov chaw. Qhov ntawd yog qhov uas tau txais txiaj ntsig tiag tiag, tsis yog hauv cov khoom noj nyoos xwb.

Tshaj li Cov Khoom Siv: Lub Neej Calculus

Thaum ntxov, peb tau zoo siab txog bio-based elastomers. Sim ib tug formulation los ntawm ib tug pheej pib pib nyob rau hauv ib tug qauv flange daim ntawv thov rau ib tug tshuaj cog. Cov ntaub ntawv lab yog stellar-zoo compression teeb, tshuaj tiv thaiv. Kev ua tsis tiav hauv 8 lub hlis. Tsis yog kev puas tsuaj loj heev, tab sis ib qho kev quaj ntsuag uas yuam kom kaw. Qhov teeb meem tsis yog lub hauv paus polymer; nws yog cov plasticizer leaching tawm sai dua nyob rau hauv lub thermal cycling tiag tiag tshaj nyob rau hauv kev ntsuam xyuas kev laus sai. Qhov ntawd yog ib zaj lus qhia kim heev ntawm qhov sib txawv ntawm daim ntawv teev cov ntaub ntawv thiab ib puag ncig kev pabcuam. Sustainability tau raug ntaus vim tias chav tsev xav tau hloov peb zaug sai dua li cov pa, 'tsawg ntsuab' lwm txoj. Tag nrho cov pa roj carbon hneev taw, suav nrog kev tsim khoom thiab kaw lub zog, yog qhov phem dua.

Yog li ntawd qhov kev tsom xam tau hloov. Tam sim no, thaum peb ntsuas qhov kev tsim kho tshiab, thawj lo lus nug yog tag nrho cov kev pab cuam lub neej raws li cov xwm txheej tshwj xeeb. Peb puas tuaj yeem tau 5 xyoos tsis yog 3 tawm ntawm ib gasket nyob rau hauv ib tug 250 ° C chav kab? Qhov kev txo qis hauv kev hloov pauv, pov tseg, thiab kev ua haujlwm feem ntau dwarfs qhov cuam tshuam ntawm cov khoom siv. Peb pib ua hauj lwm ntau dua nrog cov qauv tsim ntawm kauv-qhov txhab, tsis tas yuav tsum muaj cov khoom siv tshiab, tab sis nrog kev ua kom zoo zog winding nro thiab txheej suav los tswj cov siab siab dua yam tsis tau teeb tsa. Qhov no tsis tau ntxim hlub innovation; nws yog engineering nruj. Tab sis nws tiv thaiv kev xau thiab hloov pauv. Qhov ntawd yog kev ua haujlwm ruaj khov.

Qhov kev xav ntawm lub neej no tseem thawb koj mus rau kev koom tes nrog cov neeg tsim khoom uas tau txais nws. Kuv tau mus xyuas cov nroj tsuag uas cov txheej txheem txiav rau daim ntawv gasket cov ntaub ntawv tsim 30% pov tseg. Ib tus neeg muag khoom, HANDAN ZITAI FREWER RAUG UA MOV., Ltd., uas ua haujlwm tawm ntawm Tuam Tshoj tus qauv tseem ceeb hauv paus hauv Yongnian, tau hais txog qhov no. Lawv qhov sib thooj rau cov khoom siv raw cov kwj deg thiab kev sib koom ua ke (lawv nyob ntawm txoj kev loj thiab kev tsheb nqaj hlau) cia lawv cov txheej txheem kev txiav txim ntau dua, txo cov khoom siv raw khoom pov tseg los ntawm kev mus. Rau lawv, muaj zog yog ib feem ntawm logistical efficiency - luv luv chains rau lawv cheeb tsam txhais tau tias qis thauj emissions rau tej kev txiav txim ntawm fastener thiab sealing Cheebtsam. Nws yog lub kaum sab xis sib txawv, tab sis siv tau.

Lub Fugitive Emission Frontier: Qhov twg Microns Matter

Qhov no yog qhov twg cov roj hmab sib ntsib txoj kev - los yog, qhov twg cov graphite ntsib lub flange. Kev tswj hwm ntawm VOC thiab methane leaks yog lim hiam thiab hnyav zuj zus. Lub innovation ntawm no yog microscopic. Nws tsis yog hais txog tuav lub siab; nws yog hais txog sealing nto imperfections ntawm ib tug micron theem nyob rau hauv cyclic loads. Peb tau pom ib qho kev txav mus rau kev sib xyaw ua ke gaskets nrog gradient ceev. Cov txheej txheej sab nrauv yog softer kom ntws mus rau hauv flange imperfections, lub hauv paus tseem nruj kom tiv thaiv creep.

Kuv nco qab txog qhov project retrofit ntawm lub txhab nyiaj laus refinery valve. Cov spec yog rau cov qauv compressed uas tsis yog-asbestos nplooj ntawv. Peb thawb rau PTFE-coated graphite laminate. Tus nqi yog 60% siab dua. Pushback tau kwv yees. Peb tau khiav ib tug me me tsav, ntsuas cov flanges rau kev kuaj pom. Tom qab ib xyoos ntawm thermal cycles, qhov xau tus nqi ntawm cov khoom tshiab yog qhov tsawg kawg nkaus. Cov ntawv qub tau pom qhov nkag tau yooj yim thiab xav tau rov torquing. Kev them nyiaj rov qab los ntawm kev zam kom tsis txhob muaj peev xwm raug nplua thiab kev ua haujlwm rau kev rov ua kom lub zog. Cov kev tsim kho tshiab yog nyob rau hauv kev siv ib tug paub cov ntaub ntawv nyob rau hauv ib tug ntau demanding, precision-ua daim ntawv. Lub sustainability nce yog nyob rau hauv tiv thaiv emissions.

Kev poob yog ib tug xib hwb zoo nyob ntawm no thiab. Peb sim ib qho tshiab 'self-sealing' gasket nrog micro-encapsulated sealant. Txoj kev xav tau ci ntsa iab: me me ruptures capsules, sealant ntws. Hauv kev xyaum, cov tshuaj ntsiav tau cuam tshuam cov khoom siv lub hauv paus thermal stability. Nws ua tsis tau tejyam ntawm qhov kub qis dua tus qauv version. Lwm zaj lus qhia: ntxiv qhov nyuaj rau ib qho kev ua haujlwm tuaj yeem ua rau kev ua haujlwm tseem ceeb. Qee zaum, qhov kev daws teeb meem zoo tshaj plaws yog qhov yooj yim tshaj plaws, txhim khu kev qha tshaj plaws uas koj tuaj yeem hais kom raug.

Manufacturing's Hidden Hand: Precision as a Sustainability Driver

Koj tuaj yeem muaj cov ntaub ntawv zoo tshaj plaws, tab sis yog tias lub gasket tsis raug txiav lossis molded nrog qhov tseeb, kev ua haujlwm poob qis. Kev tsis sib haum xeeb yog tus yeeb ncuab ntawm kev ua neej ntev. Kuv tau pom ob lub gaskets los ntawm tib pab pawg, ib lub xyoo dhau los, lwm qhov ua tsis tiav ntxov, vim muaj kev hloov pauv me ntsis ntawm cov khoom siv txiav thaum lub sijhawm tsim khoom. Kev tsim kho tshiab yog feem ntau hauv cov txheej txheem tswj, tsis yog cov khoom tsim.

Laser txiav thiab waterjet txiav tau dhau los ua ntau dua rau cov khoom muaj nqis siab. Lub ntug zoo yog huv si, uas muab ib tug zoo sib xws sealing nto thiab txo lub sij hawm ntawm muab tub lim khoom 'fraying' nyob rau hauv compression. Qhov no txo ​​qhov kev pheej hmoo ntawm txoj kev xau. Nws yog kev hloov pauv nyiaj txiag ntau rau cov tuam txhab, tab sis rau cov ntawv thov tseem ceeb, nws tau dhau los ua tsis sib tham. Qhov kev txiav txim siab no txo ​​cov khoom pov tseg thaum lub sijhawm tsim khoom ib yam nkaus - ua zes qhov chaw digitally kom ua kom cov khoom siv tau zoo tshaj plaws.

Qhov no khi rov qab mus rau kev lag luam ecosystem hauv cov chaw xws li Yongnian District. Ib pawg ntawm cov kws tshaj lij, los ntawm cov neeg tsim khoom rau cov neeg txiav txim siab rau cov neeg tsim khoom fastener nyiam Handan Zitai, tsim ib lub voj kev tawm tswv yim. Tus neeg tsim khoom tuaj yeem muab cov ntaub ntawv pov thawj raw khoom, txiav nws meej, thiab kom nws ua ke nrog qhov tseeb, qib siab fasteners rau kev sib koom ua ke zoo tshaj plaws nyob rau hauv ib lub voj voog ntawm thaj chaw nruj. Qhov kev sib xyaw ua ke no txo ​​cov kev hloov pauv tau zoo thiab cov kauj ruam thauj mus los, ua rau muaj kev ntseeg siab dua-thiab yog li muaj kev ruaj ntseg-kawg cov khoom. Lawv lub tuam txhab profile hais txog kev sib koom ua ke logistics tsis yog qhov chaw muag khoom xwb; nws yog ib qho tseem ceeb hauv kev txo cov pa roj carbon ntau ntawm lub kaw lus ua ntej nws txawm nkoj.

Tus Specifier's Dilemma: Ntsuas Tus Nqi, Risk, thiab Lub Hom Phiaj Ntsuab

Hauv av, tus kws tshaj lij qhia lub gasket ntsib qhov nro tas li. Lub chaw muag khoom xav tau tus nqi qis tshaj plaws. Tus neeg saib xyuas ib puag ncig xav tau daim ntawv cim npe rov ua dua tshiab. Tus thawj tswj kev ua haujlwm xav kom xoom tsis tau npaj tseg. Navigating qhov no yog qhov kev xyaum tiag tiag. Qee zaum, qhov kev xaiv ruaj khov tshaj plaws yog cov khoom lag luam zoo, lub neej ntev uas tsis muaj cov ntsiab lus siv dua tshiab. Koj yuav tsum ua kom pom tseeb nws nrog kev txheeb xyuas tus nqi ntawm lub neej uas suav nrog kev pheej hmoo emission.

Peb tsim ib daim ntawv nthuav dav yooj yim rau cov neeg siv khoom. Nws qhov tseem ceeb ntawm tus nqi gasket, kev cia siab rau lub neej, qhov nruab nrab qhov tshwm sim ntawm qhov tshwm sim, tus nqi ntawm kev kaw, thiab tus nqi duab ntxoov ntxoo rau emissions. Nws tsis yooj yim, tab sis nws ua rau kev sib tham tangible. Feem ntau, qhov kev xaiv 'ntsuab' yeej tsis yog ntawm kev xav, tab sis ntawm tag nrho cov nqi ntawm kev ua tswv cuab thaum koj ua kom zoo rau kev pheej hmoo. Qhov no hloov qhov kev sib tham los ntawm cov ntaub ntawv pedigree mus rau kev ua tau zoo pedigree.

Qhov no yog qhov uas cov ntaub ntawv tshawb fawb los ntawm daim teb yog kub. Zoo li hais txog qhov hloov pauv graphite ribbon rau qhov hnyav hnyav, pitted flanges nyob rau hauv cov nroj tsuag vintage es tsis txhob hais rau tag nrho flange refurbishment. Cov khoom siv gasket conforms thiab ntsaws ruaj ruaj, ncua lub neej ntawm cov infrastructure uas twb muaj lawm - ib tug loj sustainability yeej los ntawm kev zam cov hlau, machining, thiab lub zog ntawm ib tug tag nrho hloov. Lub innovation yog nyob rau hauv daim ntawv thov kev paub, tsis yog cov khoom nws tus kheej.

Saib tom ntej: Lub Siab Ntshai Tom ntej

Qhov kev thawb tom ntej yog los ntawm qhov twg? Hydrogen pipelines thiab electrolyzers. Hydrogen embrittlement thiab nws cov molecule me me tam sim no ua npau suav phem. Cov elastomers uas twb muaj lawm tuaj yeem ua nkig; txheem graphite tuaj yeem muaj teeb meem permeation. Lub raj xa dej tshiab yog buzzing nrog cov khoom siv polymer tshiab thiab cov qauv hlau-seal hybrid. Nws rov qab mus rau cov ntaub ntawv lab, tab sis nrog kaum xyoo ntawm kev kawm hnyav tau kawm.

Lwm qhov chaw yog kev koom ua ke digital. Peb puas tuaj yeem embed lub sensor los saib xyuas compression poob los yog thaum ntxov-theem to? Nws suab zoo li overkill, tab sis rau qhov kev sib tshuam tseem ceeb, kev saib xyuas kev kwv yees tuaj yeem tiv thaiv kev puas tsuaj loj thiab cuam tshuam ib puag ncig. Lub gasket ua ib qho active tivthaiv. Qhov kev sib tw yog ua kom muaj zog thiab siv tau zoo. Peb tseem tsis tau muaj, tab sis muaj prototypes.

Thaum kawg, gasket innovation rau muaj zog yuav nyob twj ywm pragmatic, daws teeb meem. Nws tsis tshua muaj kev tshaj tawm txog kev hloov pauv thiab ntau ntxiv txog cov txiaj ntsig ntawm cov ntaub ntawv zoo dua, kev tsim ntse dua, kev tsim khoom raug tsim, thiab-tseem ceeb-ntau cov lus qhia ntxiv. Lub hom phiaj tsis yog lub foob zoo meej, tab sis qhov kev ntseeg tau zoo tshaj plaws nyob rau lub sijhawm ntev tshaj plaws, nrog qhov tsawg tshaj plaws tau hneev taw. Thiab qee zaum, qhov ntawd txhais tau hais tias tus qauv tsim tau zoo los ntawm lub hauv paus muaj txiaj ntsig zoo, tau teev tseg kom raug, yog cov cuab yeej ruaj khov tshaj plaws hauv lub thawv.

Lub tsev
Khoom
Txog Peb
Tus neeg yus paub

Thov tso peb cov lus

Txoj Cai Tswjfwm Ntiag Tug

Peb Kev cog lus rau Kev Tiv Thaiv Tus Kheej

Taw qhia.

Rainbow Inc. lees paub qhov tseem ceeb ntawm kev tiv thaiv kev ceev ntiag tug ntawm txhua tus kheej cov ntaub ntawv muab los ntawm nws cov neeg siv khoom, suav nrog cov neeg siv ntawm www.rainbow-inkjet.com thiab lwm lub vev xaib sib koom nrog Rainbow Inc. (suav ua ke "Rainbow Inc. Sites"). Peb tsim cov txheej txheem hauv qab no nrog kev hwm rau peb cov neeg siv khoom txoj cai ntiag tug thiab vim tias peb muaj txiaj ntsig rau peb txoj kev sib raug zoo nrog peb cov neeg siv khoom. Koj qhov kev mus ntsib Rainbow Inc. Sites yog ua raws li Tsab Cai Tswjfwm Ntiag Tug no thiab peb Cov Cai thiab Cov Cai Online.

Kev piav qhia.

Nqe Lus Qhia Txog Tus Kheej no piav qhia txog hom ntaub ntawv uas peb sau thiab peb yuav siv cov ntaub ntawv li cas. Peb Daim Ntawv Ceeb Toom Tsis pub twg paub kuj piav qhia txog cov kev ntsuas uas peb ua los tiv thaiv kev ruaj ntseg ntawm cov ntaub ntawv no nrog rau seb koj tuaj yeem ncav cuag peb li cas los hloov kho koj cov ntaub ntawv tiv tauj.

 

Cov ntaub ntawv khaws cia

 

Cov ntaub ntawv tus kheej tau sau ncaj qha los ntawm cov qhua.

Rainbow Inc. sau cov ntaub ntawv tus kheej thaum: koj xa cov lus nug lossis lus rau peb; koj thov cov ntaub ntawv lossis cov ntaub ntawv; koj thov warranty los yog tom qab-warranty kev pab cuam thiab kev txhawb nqa; koj koom nrog hauv kev tshawb fawb; thiab los ntawm lwm txoj kev uas tej zaum yuav raug muab tshwj xeeb rau ntawm Rainbow Inc. Sites lossis hauv peb cov ntawv xov xwm nrog koj.

 

Hom Cov Ntaub Ntawv Tus Kheej.

Hom ntaub ntawv sau ncaj qha los ntawm tus neeg siv yuav suav nrog koj lub npe, koj lub tuam txhab lub npe, cov ntaub ntawv tiv tauj lub cev, chaw nyob, cov ntaub ntawv them nqi thiab xa khoom, e-mail chaw nyob, cov khoom koj siv, cov ntaub ntawv pej xeem xws li koj lub hnub nyoog, kev nyiam, thiab kev txaus siab thiab cov ntaub ntawv hais txog kev muag lossis kev teeb tsa ntawm koj cov khoom.

 

Cov ntaub ntawv tsis yog tus kheej tau sau cia.

Peb tuaj yeem sau cov ntaub ntawv hais txog koj kev cuam tshuam nrog Rainbow Inc. Cov chaw thiab cov kev pabcuam. Piv txwv li, peb tuaj yeem siv cov cuab yeej tshuaj ntsuam xyuas lub vev xaib ntawm peb lub xaib kom khaws cov ntaub ntawv los ntawm koj lub browser, suav nrog lub vev xaib koj tuaj, lub tshuab tshawb nrhiav thiab cov ntsiab lus koj siv los nrhiav peb lub xaib, thiab nplooj ntawv koj saib hauv peb qhov chaw. Tsis tas li ntawd, peb sau qee cov ntaub ntawv txheem uas koj tus browser xa mus rau txhua lub vev xaib uas koj mus ntsib, xws li koj qhov chaw nyob IP, hom browser, peev xwm thiab hom lus, koj qhov kev khiav haujlwm, sijhawm nkag mus thiab xa mus rau qhov chaw nyob hauv Web.

 

Cia thiab ua.

Cov ntaub ntawv tus kheej sau rau ntawm peb lub vev xaib yuav raug muab khaws cia thiab ua tiav hauv Tebchaws Meskas uas Rainbow Inc. lossis nws cov koom tes, koom tes sib koom tes, lossis cov neeg pabcuam thib peb tswj cov chaw.

 

Peb siv cov ntaub ntawv li cas

 

Kev pabcuam thiab kev lag luam.

Peb siv koj cov ntaub ntawv ntiag tug los xa cov kev pabcuam lossis ua tiav kev lag luam uas koj thov, xws li muab cov ntaub ntawv hais txog Rainbow Inc. cov khoom thiab cov kev pabcuam, kev txiav txim, teb cov lus thov kev pabcuam rau cov neeg siv khoom, pabcuam kev siv peb lub vev xaib, ua haujlwm hauv online, thiab lwm yam. Txhawm rau muab koj cov kev paub zoo sib xws hauv kev cuam tshuam nrog Rainbow Inc., cov ntaub ntawv sau los ntawm peb lub vev xaib tuaj yeem ua ke nrog cov ntaub ntawv peb sau los ntawm lwm txoj kev.

 

Kev tsim khoom.

Peb siv cov ntaub ntawv tus kheej thiab tsis yog tus kheej rau kev tsim cov khoom lag luam, suav nrog rau cov txheej txheem xws li lub tswv yim tsim, tsim khoom thiab txhim kho, nthuav dav engineering, kev tshawb fawb kev lag luam thiab kev lag luam tsom xam.

 

Txhim kho lub vev xaib.

Tej zaum peb yuav siv cov ntaub ntawv tus kheej thiab tsis yog tus kheej los txhim kho peb cov vev xaib (xws li peb cov kev ntsuas kev nyab xeeb) thiab cov khoom lag luam lossis cov kev pabcuam cuam tshuam, lossis ua kom peb cov vev xaib yooj yim siv los ntawm kev tshem tawm qhov xav tau rau koj rov nkag mus rau tib cov ntaub ntawv lossis los ntawm kev kho peb lub vev xaib rau koj qhov kev nyiam lossis kev nyiam.

 

Kev Lag Luam Kev Lag Luam.

Tej zaum peb yuav siv koj cov ntaub ntawv ntiag tug los qhia rau koj txog cov khoom lossis cov kev pabcuam muaj los ntawm Rainbow Inc. Thaum sau cov ntaub ntawv uas yuav raug siv los tiv tauj koj txog peb cov khoom thiab cov kev pabcuam, peb feem ntau muab sijhawm rau koj xaiv tsis tau txais kev sib txuas lus. Ntxiv mus, nyob rau hauv peb kev sib txuas lus email nrog koj peb yuav muaj xws li ib tug unsubscribe link tso cai rau koj kom tsis txhob xa cov hom kev sib txuas lus. Yog tias koj xaiv kom rho npe, peb yuav tshem koj ntawm cov npe cuam tshuam hauv 15 hnub ua haujlwm.

 

Kev cog lus rau Data Security

 

Kev ruaj ntseg.

Rainbow Inc. Corporation siv cov kev ceev faj tsim nyog los khaws cov ntaub ntawv tus kheej tshaj tawm rau peb kom nyab xeeb. Txhawm rau tiv thaiv kev nkag mus tsis raug cai, tswj xyuas cov ntaub ntawv raug, thiab xyuas kom muaj kev siv cov ntaub ntawv raug, peb tau muab cov txheej txheem tsim nyog ntawm lub cev, hluav taws xob, thiab kev tswj hwm los tiv thaiv thiab tiv thaiv koj cov ntaub ntawv ntiag tug. Piv txwv li, peb khaws cov ntaub ntawv tus kheej rhiab rau hauv computer systems uas muaj kev txwv tsis pub nkag mus rau hauv cov chaw uas muaj kev nkag tau tsawg. Thaum koj tsiv mus nyob ib ncig ntawm lub xaib uas koj tau nkag mus, lossis los ntawm ib lub xaib mus rau lwm qhov uas siv tib lub tshuab nkag mus, peb txheeb xyuas koj tus kheej los ntawm kev siv cov kua nplaum uas tau muab tso rau hauv koj lub tshuab. Txawm li cas los xij, Rainbow Inc. Corporation tsis lav qhov kev ruaj ntseg, raug lossis ua tiav ntawm cov ntaub ntawv lossis cov txheej txheem.

 

Internet.

Kev xa cov ntaub ntawv hauv internet tsis muaj kev nyab xeeb kiag li. Txawm hais tias peb ua qhov zoo tshaj plaws los tiv thaiv koj cov ntaub ntawv ntiag tug, peb tsis tuaj yeem lav qhov kev ruaj ntseg ntawm koj cov ntaub ntawv ntiag tug xa mus rau peb Lub Vev Xaib. Txhua qhov kev xa xov ntawm tus kheej yog nyob ntawm koj tus kheej txaus ntshai. Peb tsis muaj lub luag haujlwm rau kev hla ntawm ib qho chaw ntiag tug lossis kev tiv thaiv kev nyab xeeb uas muaj nyob rau ntawm Rainbow Inc. Sites.

 

Tiv Tauj Peb

 

Yog tias koj muaj lus nug txog daim ntawv qhia tsis pub lwm tus paub, peb tuav koj cov ntaub ntawv ntiag tug, lossis koj txoj cai ntiag tug raws li txoj cai lij choj, thov hu rau peb ntawm kev xa ntawv ntawm qhov chaw nyob hauv qab no.

 

Rainbow Inc.

Tom ntej: Katherine Tan

Ntxiv: No.1658 Husong Road, Shanghai, Suav teb.

Nqe lus hloov tshiab

 

Kev kho dua.

Rainbow Inc. muaj txoj cai los hloov cov lus qhia tsis pub lwm tus paub ib ntus. Yog tias peb txiav txim siab hloov peb Cov Lus Qhia Tsis Pub Leej Twg Paub, peb yuav tshaj tawm Tsab Ntawv Tshaj Tawm ntawm no.

 

Hnub tim.

Tsab ntawv tshaj tawm tsis pub twg paub no tau hloov kho zaum kawg rau lub Cuaj Hlis 7, 2022.