
Xyoo 2026-10-26
A hydraulic yeeb nkab clamp yog ib qho tseem ceeb ntawm cov khoom siv kho tshuab tsim los kom ruaj ntseg, txhawb nqa, thiab cais hydraulic tubing hauv cov tshuab ua haujlwm. Cov clamps no tiv thaiv kev vibration-induced qaug zog, tswj kev sib raug zoo nyob rau hauv siab, thiab txo cov suab nrov kis tau tus mob. Rau B2B buyers thiab engineering procurement teams, xaiv txoj cai clamp yuav soj ntsuam cov khoom durability, load-bearing peev, thiab corrosion kuj. Sourcing ncaj qha los ntawm cov chaw tsim khoom tshwj xeeb xws li Handan Zitai Fastener Manufacturing Co., Ltd. ua kom nkag mus rau cov khoom lag luam wholesale cov nqi, kev tswj xyuas zoo, thiab cov kev daws teeb meem rau cov txheej txheem hydraulic complex.
Hydraulic systems ua haujlwm nyob rau hauv cov xwm txheej tsis zoo, feem ntau cuam tshuam nrog kev ntxhov siab tshaj 3,000 PSI thiab txuas txuas txhua yam kev co. Lub hydraulic yeeb nkab clamp tsis yog ib tug tuav; nws yog kev tiv thaiv kev tiv thaiv. Nws lub luag haujlwm tseem ceeb yog thauj tog rau nkoj hydraulic rau cov thav ntawv, phab ntsa, lossis cov tshuab ua haujlwm, tiv thaiv kev txav mus los uas tuaj yeem ua rau tsis ua haujlwm lossis lub raj tawg.
Hauv kev lag luam hnyav xws li kev tsim kho tshuab, marine engineering, thiab kev tsim hluav taws xob, tsis ua haujlwm ntawm cov kab hydraulic tuaj yeem ua rau muaj kev puas tsuaj loj thiab muaj kev nyab xeeb. Yog li ntawd, lub clamp yuav tsum muab kev txhawb nqa nruj thaum ua kom haum thermal expansion thiab contraction. High-quality clamps faib clamping quab yuam sib npaug thoob lub raj nto, tsis txhob deformation uas tuaj yeem txwv cov dej ntws los yog tsis muaj zog ntawm cov yeeb nkab phab ntsa.
Xaiv hom clamp kom raug yog nyob ntawm qhov tshwj xeeb daim ntawv thov ib puag ncig, yeeb nkab txoj kab uas hla, thiab kev xav tau siab. Kev nkag siab txog qhov sib txawv ntawm cov qauv tsim pab engineers optimize system kev ntseeg siab.
Kev tsim ob-bolt yog qhov kev teeb tsa ntau tshaj plaws rau kev siv hnyav. Nws nta lub cev sib cais ruaj los ntawm ob lub bolts, tso cai rau kev yooj yim installation thiab tshem tawm yam tsis muaj kev cuam tshuam cov kab hydraulic. Qhov kev tsim no muab lub zog tuav zoo tshaj plaws thiab yog qhov zoo tagnrho rau qhov chaw muaj kev vibration siab xws li mobile hydraulics thiab offshore platforms.
Rau cov raj me me thiab cov tshuab qis qis, ib leeg-bolt clamps muab cov kev daws teeb meem zoo. Lawv yooj yim dua rau nruab rau hauv qhov chaw nruj tab sis muab kev nruj dua piv rau lawv ob-bolt counterparts. Cov no feem ntau siv nyob rau hauv pab pawg los yog instrumentation tubing.
Nyob rau hauv cov xwm txheej uas qhov drilling rau hauv qhov chaw mounting tsis ua tau, weld-on puag clamps yog qhov kev xaiv. Lub hauv paus phaj yog welded ncaj qha mus rau steel qauv, muab ib tug tsis tshua muaj zog thauj tog rau nkoj taw tes. Hom no muaj nyob rau hauv shipbuilding thiab loj-scale structural steel tej yaam num.
Niaj hnub nimno hydraulic manifolds feem ntau xav tau ntau cov kab khiav mus rau qhov sib npaug. Stackable clamps tso cai rau ntau lub kav dej kom ruaj ntseg hauv ib chav tsev, txuag chaw thiab ua kom muaj qhov sib txawv. Qhov no modular txoj kev simplifies installation thiab txhim kho lub koom haum zoo nkauj ntawm hydraulic panels.
Lub neej ntev ntawm hydraulic yeeb nkab clamp yog txuas ncaj qha rau nws cov khoom muaj pes tsawg leeg. Nyob rau hauv corrosive ib puag ncig xws li marine daim ntaub ntawv los yog tshuaj ua cov nroj tsuag, kev xaiv cov khoom yog ib qho tseem ceeb raws li cov neeg kho tshuab zog.
| Hom khoom | Cov yam ntxwv tseem ceeb | Tej kev siv |
|---|---|---|
| Carbon Steel (Zinc Plated) | Siab tensile zog, nqi-zoo, nruab nrab corrosion kuj. | General manufacturing, sab hauv tsev machinery, automotive sib dhos. |
| Stainless hlau (304/316) | Zoo heev corrosion kuj, siab kub kam rau ua, hwm zoo nkauj. | Marine ib puag ncig, khoom noj khoom haus, tshuaj, offshore roj & roj. |
| Aluminium Alloy | Lub teeb yuag, tsis muaj hlau nplaum, zoo corrosion kuj. | Aerospace, lub teeb yuag tsheb qauv, rhiab hluav taws xob ib puag ncig. |
| Cast Iron | Heavy-duty, zoo heev vibration damping, brittle nyob rau hauv kev cuam tshuam. | Nyob ruaj ruaj cov nroj tsuag, cov khoom siv mining hnyav. |
Handan Zitai Fastener Manufacturing Co., Ltd. siv cov khoom siv ntau lawm los ua cov ntaub ntawv no nrog qhov tseeb. Los ntawm kev tswj xyuas cov khoom zoo, lub tuam txhab xyuas kom meej tias txhua batch ua tau raws li cov qauv thoob ntiaj teb rau tensile lub zog thiab txheej thickness. Qhov kev nruj nruj no tso cai rau lawv cov khoom kom tiv taus kev ua haujlwm hnyav, tau txais kev qhuas zoo los ntawm cov neeg siv khoom hauv ntau qhov chaw.
Xaiv qhov tsis ncaj ncees lawm clamp tuaj yeem ua rau ua tsis tiav ntxov. Cov kws tshaj lij thiab cov kws tshaj lij yuav khoom yuav tsum xav txog cov hauv qab no thaum qhia txog hydraulic yeeb nkab clamps.
Lub clamp yuav tsum sib phim rau sab nraud txoj kab uas hla (OD) ntawm hydraulic raj precisely. Ib qho clamp uas xoob dhau yuav tso cai txav mus, ua rau hnav. Lub clamp uas nruj dhau tuaj yeem deform lub raj, txwv tsis pub ntws. Ib txwm suav rau kev tsim kev kam rau siab hauv ob lub yeeb nkab thiab cov clamp.
High-pressure systems tsim muaj zog reactive zog. Rau cov tshuab ua haujlwm siab tshaj 2,000 PSI, hnyav-lub luag haujlwm ob-bolt clamps nrog cov hlua txuas ntxiv tau pom zoo. Hauv thaj chaw muaj kev vibration siab, xav txog cov clamps nrog kev sib xyaw elastomeric liners uas nqus kev poob siab zoo dua li cov hlau tsis sib cuag.
Txheeb xyuas qhov raug dej noo, tshuaj lom neeg, thiab kub siab heev. Rau kev teeb tsa sab nraum zoov, stainless hlau lossis kub-dip galvanized carbon hlau yog qhov tseem ceeb los tiv thaiv xeb. Nyob rau hauv qhov chaw kub kub, xyuas kom cov khoom siv liner (yog tias tam sim no) tuaj yeem tiv taus cua sov yam tsis muaj degrading.
Ntsuas qhov chaw muaj thiab hom mounting nto. Yog tias qhov saum npoo tsis sib npaug lossis tsis yooj yim, siv cov clamps nrog cov phaj loj dua los faib cov khoom thauj. Rau cov chaw kaw, cov qauv qis ib leeg-ntsia hlau yuav tsim nyog.
Txawm tias qhov zoo tshaj plaws hydraulic yeeb nkab clamp yuav ua tsis tau yog tias ntsia tsis raug. Kev txhim kho kom zoo ua kom lub cev ua haujlwm zoo thiab ua haujlwm zoo.
Ib qho yuam kev tsis tu ncua yog sib xyaw cov hlau sib txawv yam tsis muaj kev rwb thaiv tsev zoo, ua rau galvanic corrosion. Lwm qhov yuam kev yog tsis quav ntsej cov kev taw qhia ntawm kev co; clamps yuav tsum tau taw qhia los tiv thaiv thawj lub zog vector. Tsis tas li ntawd, tsis siv lub xauv lub tshuab ntxhua khaub ncaws los yog cov xov-txhim kho qhov sib txuas tuaj yeem ua rau cov bolts xoob lub sijhawm vim muaj kev vibration tas li.
Nyob rau hauv kev sib tw toj roob hauv pes ntawm kev lag luam fasteners, kev ntseeg tau thiab cov saw hlau ruaj khov yog qhov tseem ceeb. Handan Zitai Fastener Manufacturing Co., Ltd. yog ib tug loj-scale distributor thiab chaw tsim tshuaj paus nrog nplua nuj ntau lawm kev. Lub tuam txhab kev cog lus rau kev tswj hwm zoo tau ua rau nws cov khoom lag luam txuas ntxiv nthuav dav lawv cov lag luam thiab txhim kho lawv qib thiab cov duab.
Tsis zoo li cov neeg muab khoom lag luam, Handan Zitai muaj ntau yam khoom lag luam uas suav nrog tsis yog hydraulic yeeb nkab clamps nkaus xwb tab sis kuj muaj ntau lub zog bolts, hoops, photovoltaic accessories, thiab steel qauv kos qhov chaw. Qhov kev sib txawv no tso cai rau kev sib sau ua ke, txo cov logistical nyuaj rau cov neeg yuav khoom B2B. Lub tuam txhab cov cuab yeej tsim khoom siab heev kom ntseeg tau qhov tseeb qhov tseeb thiab qhov chaw tiav, uas yog qhov tseem ceeb rau kev siv hydraulic.
Tsis tas li ntawd, Handan Zitai lub peev xwm los muab cov nqi lag luam wholesale lub Hoobkas ua rau nws yog tus khub txaus nyiam rau cov neeg xa khoom thiab cov neeg cog lus loj. Los ntawm kev tshem tawm cov neeg nruab nrab, cov neeg siv khoom tau txais txiaj ntsig zoo dua yam tsis muaj kev cuam tshuam rau qhov zoo. Lub tuam txhab lub koob npe nrov rau kev yeej ib txwm qhuas los ntawm cov thawj coj thiab cov neeg siv khoom zoo ib yam yog qhov ua pov thawj rau nws cov neeg siv khoom-centric mus kom ze thiab kev txawj ntse.
Standard sizes npog feem ntau hydraulic raj diameters, xws li los ntawm 6mm mus rau 42mm. Txawm li cas los xij, cov ntawv thov tshwj xeeb feem ntau xav tau kev cai daws teeb meem. Handan Zitai txhawb kev hloov kho raws li cov khoom siv qib, kev kho saum npoo, thiab qhov ntev.
Lub peev xwm thauj khoom ntawm hydraulic yeeb nkab clamp nyob ntawm nws qhov loj, cov khoom siv, thiab qib bolt. Feem ntau, clamps raug kuaj kom tiv taus cov khoom hnyav sib npaug rau ob peb zaug ntawm qhov hnyav ntawm cov yeeb nkab puv. Rau cov ntawv thov tseem ceeb, cov kws ua haujlwm yuav tsum thov cov ntaub ntawv kuaj xyuas tshwj xeeb los ntawm cov chaw tsim khoom kom ntseeg tau tias muaj kev nyab xeeb ntawm cov npoo.
Hydraulic yeeb nkab clamps yog engineered rau siab dua thiab hnyav loads. Lawv feem ntau muaj cov phab ntsa tuab dua, cov bolts muaj zog, thiab cov hauv paus ruaj khov dua piv rau cov qauv yeeb nkab, uas yog tsim los rau cov kav dej hauv lub teeb lossis cov kav dej hluav taws xob.
Hauv qhov chaw muaj kev vibration siab, clamps yuav tsum tau kuaj xyuas txhua 6 mus rau 12 lub hlis. Nrhiav cov cim qhia ntawm kev xoob, corrosion, lossis hnav ntawm lub raj nto. Kev saib xyuas tsis tu ncua tiv thaiv kev ua tsis tau tiav thiab txuas ntxiv lub neej ntawm hydraulic system.
Cov txheej txheem yas liners yuav degrade ntawm qhov kub thiab txias. Rau cov ntawv thov kub kub, siv cov clamps uas muaj qhov kub thiab txias elastomers lossis tag nrho cov hlau clamps nrog qhov sib txawv kom tso cai rau cov cua sov. Nco ntsoov sab laj tus kws tsim khoom qhov ntsuas kub.
Qib 8.8 los yog siab dua bolts feem ntau pom zoo rau hydraulic clamps kom muaj zog clamping txaus thiab tsis kam rau kev vibration loosening. Hauv cov ntawv thov tseem ceeb, Qib 10.9 lossis 12.9 bolts yuav raug teev tseg.
Yog lawm, raws li cov kws tshaj lij kev tsim khoom, Handan Zitai feem ntau muab cov qauv rau kev kuaj xyuas kom zoo thiab ntsuas kev haum. Qhov no tso cai rau cov neeg yuav khoom los soj ntsuam cov khoom zoo thiab qhov tseeb ntawm qhov ua ntej tso kev txiav txim ntau.
Hydraulic yeeb nkab clamps yog cov khoom me me uas muaj kev cuam tshuam loj rau kev ncaj ncees. Xaiv txoj cai clamp yuav tsum ua tib zoo sib npaug ntawm cov khoom siv science, mechanical engineering, thiab kev xav txog ib puag ncig. Los ntawm kev saib xyuas qhov zoo thiab qhov tseeb, cov lag luam tuaj yeem zam kev poob qis thiab ua kom muaj kev nyab xeeb ntawm lawv cov haujlwm.
Rau cov tuam txhab nrhiav tus khub txhim khu kev qha hauv kev tsim khoom fastener, Handan Zitai Fastener Manufacturing Co., Ltd. Nrog rau kev tsom mus rau kev tswj hwm nruj thiab kev ua haujlwm siab tshaj plaws, Handan Zitai yog cov cuab yeej zoo kom tau raws li qhov xav tau ntawm kev lag luam thoob ntiaj teb. Txawm hais tias koj xav tau cov qauv hydraulic clamps lossis cov kev daws teeb meem fastening, lawv pab neeg tau npaj los txhawb koj qhov project nrog cov lag luam wholesale Hoobkas nqi thiab kev pabcuam.
Txhawm rau tshawb xyuas peb cov ntau yam ntawm hydraulic yeeb nkab clamps, lub hwj chim bolts, thiab cov khoom siv hauv tsev, lossis thov kom tau txais kev tso cai rau koj qhov project tom ntej, thov hu rau peb pab neeg muag khoom hnub no. Tshawb nrhiav seb peb txoj kev cog lus rau kev ua tau zoo tuaj yeem txhim kho koj cov saw hlau ua haujlwm zoo li cas.
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 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.
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 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.
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.