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10 hp vfd bldc manufacturers

10 hp vfd bldc manufacturers hauv Is Nrias teb

10 hp vfd bldc manufacturers hauv Is Nrias teb

4. Qhov kub thiab txias nce thaum lub sijhawm ua haujlwm lub cev muaj zog

Nyob rau hauv ib txwm ua haujlwm ntawm ntau lub tsev ib-theem lub cev muaj zog, qhov kub ntawm lub plhaub ntawm lub cev yog feem ntau txog 20 ℃ siab tshaj qhov kub thiab txias, thiab qhov kub siab tshaj plaws yuav tsum tsis txhob siab tshaj 70 ℃. Yog hais tias qhov kub ntawm lub plhaub saum npoo nce siab heev tom qab lub cev muaj zog ua haujlwm rau ob peb feeb, thiab cov ntxhiab tsw ntxhiab lossis cov pa luam yeeb tawm hauv lub cev, nws yog qhov ua txhaum ntawm lub cev muaj zog.

Lub ntsiab yog vim li cas rau lub cev muaj zog overheating kub nce yog cov teeb meem zoo ntawm lub cev muaj zog nws tus kheej; Lub cev muaj zog yog overloaded rau lub sij hawm ntev (lub cev muaj zog load yog loj vim tsis ua hauj lwm ntawm kev sib kis mechanism); Tsis zoo cua sov dissipation mob ntawm lub cev muaj zog; Hauv zos luv luv ntawm lub cev muaj zog winding, thiab lwm yam. Qhov feem ntau yog winding tig tig luv luv Circuit Court. Lub casing tuaj yeem disassembled los xyuas qhov winding. Yog tias lub pob xaim tsis raug hlawv, lub stator tuaj yeem rov pleev xim thiab insulated, thiab tom qab ntawd qhuav. Yog hais tias lub pob xaim raug hlawv ib nrab, tsuas yog hloov lub pob winding.

5. Lub cev muaj zog khiav suab nrov

Feem ntau muaj ob qho laj thawj rau lub suab nrov ua haujlwm ntawm lub cev muaj zog. Ib qho yog lub suab nrov ntawm cov neeg kho tshuab, uas feem ntau yog tshwm sim los ntawm kev hnav thiab roj tsis txaus ntawm lub cev muaj zog bearings, ua rau lub suab nrov ntawm kev sib txhuam nyuaj. Ntxiv roj tom qab ntxuav kom tsis txhob muaj suab nrov. Thaum lub rotor ncej thiab bearing yog xoob los yog lub hau kawg yog xoob, lub cev muaj zog kuj yuav tsim axial txav thiab suab nrov thaum tig. Kuj tseem muaj qee lub cev muaj zog nrog kev sib dhos tsis zoo, cov kabmob cov kabmob tsis yog qhov tseemceeb, thiab radial clearance ntawm lub cev muaj zog tsis sib xws, uas yuav ua rau lub suab nrov txawv txav. Rau qhov no, ntev li ntev raws li lub hau npog sab hauv thiab sab hauv qab raug tshem tawm, lub rotor thiab stator lub rooj raug tshem tawm, thiab lub hauv paus ncej ntawm lub hau sab hauv yog riveted dua.

Tsis tas li ntawd, qee qhov ntxoov ntxoo ncej motors muaj lub suab nrov electromagnetic vim lub nplhaib luv luv luv lossis xoob hlau cores, yog li yuav tsum ntsuas kev ntsuas clamping.

6. fuselage overheating

1. lub cev muaj zog overheating tshwm sim los ntawm lub hwj chim mov ua txhaum:

① . lub hwj huam mov voltage siab dhau lawm. Thaum lub hwj huam mov voltage siab dhau lawm, rov qab EMF, sib nqus flux thiab sib nqus flux ceev ntawm lub cev muaj zog yuav nce. Raws li cov hlau poob yog proportional rau lub square ntawm magnetic flux ceev, cov hlau poob nce, uas ua rau overheating ntawm cov tub ntxhais. Qhov nce ntawm cov hlau nplaum sib nqus ua rau muaj kev nce ntxiv hauv qhov kev xav tau tam sim no, uas ua rau muaj qhov nce ntawm tooj liab poob ntawm stator winding 1 thiab overheating ntawm winding. Yog li ntawd, thaum lub hwj chim mov voltage tshaj qhov ntsuas voltage ntawm lub cev muaj zog, lub cev muaj zog yuav overheat.

② . lub hwj huam mov voltage tsawg dhau lawm. Thaum lub hwj huam mov voltage tsawg dhau lawm, yog tias lub tshuab hluav taws xob hluav taws xob tsis hloov pauv, qhov sib nqus flux yuav txo qis, lub rotor tam sim no yuav nce ntxiv, thiab cov khoom siv hluav taws xob thauj khoom hauv stator tam sim no yuav nce, uas ua rau cov tooj liab poob ntau ntxiv. lub winding, uas ua rau overheating ntawm stator thiab rotor windings.

10 hp vfd bldc manufacturers hauv Is Nrias teb

③. Tsav kev sib txuas yuam kev. Thaum lub delta kev twb kev txuas lub cev yog tsis ncaj ncees lawm kev twb kev txuas mus rau hauv lub hnub qub zoo, lub cev muaj zog tseem ua hauj lwm nrog tag nrho cov load, lub tam sim no ntws los ntawm lub stator winding yuav tshaj qhov ntsuas tam sim no, thiab txawm ua rau lub cev muaj zog yuav tsum tau txiav. Yog tias lub sijhawm kaw me ntsis ntev dua thiab lub zog hluav taws xob tsis raug txiav tawm, lub tshuab winding yuav tsis tsuas yog overheated, tab sis kuj raug hlawv. Thaum lub hnub qub txuas nrog lub cev muaj zog tsis raug txuas mus rau hauv daim duab peb sab, lossis lub cev muaj zog nrog ntau pawg coil hauv series ua ib ceg tsis ncaj ncees lawm rau hauv ob ceg nyob rau hauv parallel, lub winding thiab hlau core yuav overheat, thiab winding yuav raug kub hnyiab heev. .

4. lub cev muaj zog kev twb kev txuas yuam kev thaum ib co coil, coil pab pawg neeg los yog ib theem winding pab pawg neeg txuas reversely, nws yuav ua rau loj imbalance ntawm peb-theem tam sim no thiab overheat lub winding.

7. Lwm yam txhaum

Nyob rau hauv lub sij hawm ntev ntawm kev lag luam motors, hnav faults feem ntau tshwm sim los ntawm kev ntxhov siab: piv txwv li, lub kis tau tus mob torque ntawm lub reducer connector yog loj, thiab kis tau tus mob torque yog tsis ruaj tsis khov vim yog hnav ntawm lub connector qhov ntawm lub flange nto; Bearing coj los ntawm lub cev muaj zog ncej bearing puas; Hnav ntawm lub taub hau ntawm lub taub hau thiab qhov tseem ceeb, thiab lwm yam. Tom qab qhov tshwm sim ntawm cov teeb meem zoo li no, cov txheej txheem ib txwm tsom rau kev kho vuam lossis kev kho tshuab tom qab txhuam plating, tab sis ob qho tib si ntawm lawv muaj qee qhov tsis zoo: thermal stress generated los ntawm kev kho vuam ntawm qhov kub thiab txias tuaj yeem tsis raug tshem tawm tag nrho, uas yooj yim ua rau cov khoom puas tsuaj, khoov lossis tawg ntawm cov khoom; Txawm li cas los xij, vim muaj kev txwv ntawm txheej txheej, txhuam plating yog yooj yim tev tawm, thiab ob txoj kev saum toj no siv cov hlau los kho cov hlau, uas tsis tuaj yeem hloov qhov kev sib raug zoo ntawm "nyuaj mus rau nyuaj", thiab tseem yuav ua rau rov hnav dua hauv kev sib xyaw ua ke. kev ua ntawm ntau lub zog. Tam sim no, txoj hauv kev tseem ceeb los kho cov hlau nrog nonmetal yog polymer sib xyaw. Cov khoom siv muaj zog heev adhesion, zoo heev compressive zog thiab lwm yam khoom siv. Daim ntawv thov ntawm cov khoom siv polymer sib xyaw rau kev kho tsis muaj kev cuam tshuam ntawm kev kho vuam thermal kev nyuaj siab, thiab kev kho thickness tsis txwv. Nyob rau tib lub sijhawm, cov ntaub ntawv hlau ntawm cov khoom tsis muaj kev pom zoo, uas tuaj yeem nqus tau qhov cuam tshuam kev co ntawm cov cuab yeej siv, zam qhov muaj peev xwm rov hnav dua, ncua lub neej kev pab cuam ntawm cov khoom siv, thiab txuag tau ntau lub sijhawm poob rau cov khoom siv. enterprise, Tsim kom muaj nuj nqis loj nyiaj txiag.

10 hp vfd bldc manufacturers hauv Is Nrias teb

MCC lub cev muaj zog tswj chaw

Txhais: lub chaw tswj lub cev tseem hu ua lub chaw tswj lub cev muaj zog lossis lub chaw tswj lub cev muaj zog, thiab nws lub npe Askiv yog lub chaw tswj lub cev muaj zog, lossis MCC luv luv. Lub chaw tswj hwm lub cev muaj zog tswj xyuas cov khoom siv hluav taws xob thiab cov cuab yeej ntsuas hauv kev sib koom ua ke. Ntau yam kev tswj lub cev muaj zog, feeder connector units, tis transformers, teeb pom kev zoo faib boards, interlocking relays thiab metering khoom yog ntsia rau hauv ib tug ib tug enclosure thiab powered los ntawm ib tug ntau enclosed tsheb npav.

Hauv ntau lub teb chaws kev lag luam, xws li hluav taws xob, roj av, tshuaj lom neeg kev lag luam, metallurgy, mining, papermaking, lub teeb kev lag luam, tsheb, kev lag luam shipbuilding, tsheb thauj mus los, kev tsim kho hauv nroog, khoom noj khoom haus thiab dej haus, kev kho dej, kev kho cov khib nyiab, tshuaj, thiab lwm yam. ., motors yog ntau thiab ntau lug siv. Txhawm rau ua kom lub cev muaj zog ua haujlwm ib txwm muaj thiab ntseeg tau, nws yog qhov tsim nyog los tswj thiab tiv thaiv lub cev muaj zog ntawm ib lub cev muaj zog thiab lub cev muaj zog ntawm cov kab ntau lawm.

Yog li ntawd, theem ntawm MCC nyob rau hauv lub chaw tswj lub cev muaj zog kuj tau tsim sai heev. MCC hais txog cov txheej txheem tswj hwm lub cev muaj zog thiab cov cuab yeej tiv thaiv txuas nrog AC hluav taws xob qis hluav taws xob, uas tau sib sau ua ke rau hauv cov txheej txheem hauv tsev raws li qee qhov tshwj xeeb. Txhua yam khoom siv tswj lub cev muaj zog ntawm cov lus qhia tshwj xeeb, thiab cov qauv hauv chav tsev tau sib sau ua ke rau hauv lub txee kom paub txog kev tswj hwm ntawm ntau lub cev muaj zog.

Lub hauv paus ntsiab lus ua haujlwm: txoj cai ua haujlwm thiab cov teeb meem uas twb muaj lawm ntawm MCC ib txwm muaj

Cov tsoos MCC txuas nrog cov chaw taws teeb DCS hauv chav MCC los ntawm kev tswj cov kab hluav taws xob thiab cov teeb liab cable los ntawm kev xaim nyuaj. Kev tswj hwm ntawm DCS thiab cov lus qhia tawm tswv yim ntawm MCC raug xa los ntawm cable, thiab txhua lub cable muaj ntau yam (raws li pom hauv daim duab 1 hauv qab). Kev tswj hwm MCC ib txwm muaj cov teeb meem hauv qab no:

① Ntau tus tswj thiab teeb liab cables;

② Tej thaj chaw deb I, O txee yuav tsum tau nyob ntawm qhov chaw;

⑨ Cov khoom siv hluav taws xob loj thiab kev teeb tsa ntev thiab kev ua haujlwm;

④ Muaj ntau cov ntsiab lus sib txuas, yog li muaj ntau lub ntsiab lus txhaum, thiab qhov ua rau muaj kev sib tsoo nyuaj nrhiav;

⑤ Thaum ntxiv cov khoom siv hluav taws xob, kev tswj hwm thiab cov teeb liab cables yuav tsum tau muab tso dua, uas tsis yooj yim rau kev nthuav dav:

⑥ Muaj ob peb yam kev tswj xyuas thiab kuaj cov ntaub ntawv rau kev tsim khoom thiab kev ua haujlwm, thiab kev ua haujlwm thiab kev saib xyuas cov khoom siv hluav taws xob tsis zoo;

⑦ Muaj ntau cov khoom seem, uas nyuaj rau kev sib koom ua ke thiab tuav nyiaj ntau.

Lub hauv paus ntsiab lus ua haujlwm thiab cov yam ntxwv ntawm kev txawj ntse MCC system

Qhov ntse MCC system yog ib hom tshiab ntawm hluav taws xob automation tswj kev sib txuas cov ntaub ntawv thev naus laus zis, kev paub txog thev naus laus zis thiab kev siv tshuab computer cov ntaub ntawv. Nws cov ntsiab lus tseem ceeb yog lub cev muaj zog tiv thaiv kev ua haujlwm nrog kev sib txuas lus. Cov lus qhia tswj ntawm DCS thiab cov ntaub ntawv tseem ceeb ntawm kev ua haujlwm ntawm lub cev muaj zog yog ua los ntawm kev sib txuas lus hauv tsheb npav. Cov tsheb npav hauv teb xws li lonwbrks, PROFIBUS, etllemet thiab TCP tuaj yeem teeb tsa nrog kev sib txuas lus sib txuas lus raws li xav tau. Nws cov nta yog raws li nram no:

① Rau cov txee tsis muaj DCS teb, feem ntau txhua lub tsheb npav sib txuas lus tuaj yeem tswj tau txog li 100 lub cev muaj zog

② Ob peb kab kev sib cuag, muaj peev xwm tiv thaiv kev cuam tshuam, pom tseeb ua txhaum, yooj yim nrhiav thiab tshem tawm;

③ Kev sib txuas lus hauv tsheb npav tau txais kev pom zoo, nrog rau kev teeb tsa luv luv thiab lub voj voog ua haujlwm;

④ Thaum ntxiv cov khoom siv hluav taws xob, yog tias lub kaw lus tso cai, nws tsuas yog yuav tsum tau teeb tsa hauv software, uas yooj yim thiab yoog raws kom nthuav dav;

⑤ Cov ntaub ntawv tswj kev ua haujlwm yog nplua nuj, uas tuaj yeem muab cov ncauj lus kom ntxaws txog kev saib xyuas cov cuab yeej siv, ua tiav kev tiv thaiv cov cuab yeej siv, thiab txo qis lub sijhawm poob vim qhov khoom siv tsis tau npaj txhij:

⑥ Nrog rau kev tswj xyuas cov khoom seem, cov khoom seem me me, uas tuaj yeem txo cov peev txheej.

10 hp vfd bldc manufacturers hauv Is Nrias teb

Txhawm rau ua kom lub cev muaj zog ib zaug tig tau, peb tuaj yeem ntxiv qhov pib winding hauv stator. Qhov chaw sib txawv ntawm qhov pib winding thiab lub ntsiab winding yog 90 degrees. Qhov pib winding yuav tsum tau txuas nrog lub capacitor tsim nyog nyob rau hauv series, thiaj li hais tias cov theem sib txawv ntawm qhov tam sim no thiab lub ntsiab winding yog kwv yees li 90 degrees, uas yog, lub thiaj li hu ua theem sib cais txoj cai. Nyob rau hauv txoj kev no, ob lub caij nyoog nrog lub sij hawm sib txawv ntawm 90 degrees yog txuas nrog ob lub windings nrog qhov chaw sib txawv ntawm 90 degrees, uas yuav tsim ib qho (ob-theem) rotating magnetic teb nyob rau hauv qhov chaw. Nyob rau hauv qhov kev txiav txim ntawm no rotating magnetic teb, lub rotor tuaj yeem pib tau. Tom qab pib, thaum qhov ceev nce mus rau ib theem, qhov pib winding yog txiav nrog kev pab los ntawm ib tug centrifugal hloov los yog lwm yam tsis siv neeg tswj li ntsia rau ntawm lub rotor, thiab tsuas yog lub ntsiab winding ua hauj lwm thaum lub sij hawm ib txwm ua hauj lwm. Yog li ntawd, qhov pib winding tuaj yeem ua rau lub sijhawm ua haujlwm luv luv. Txawm li cas los xij, ntau zaus, qhov pib winding tsis qhib tas li. Peb hu lub cev muaj zog no ib-theem lub cev muaj zog. Txhawm rau hloov cov kev taw qhia ntawm lub cev muaj zog, tsuas yog hloov cov terminals ntawm cov pab cuam winding.

Nyob rau hauv ib-theem lub cev muaj zog, lwm txoj kev los tsim rotating magnetic teb yog hu ua shaded ncej txoj kev, kuj hu ua ib-theem ntxoov ntxoo ncej lub cev muaj zog. Lub stator ntawm lub cev muaj zog no yog ua los ntawm salient ncej hom, uas muaj ob tug ncej thiab plaub ncej. Txhua tus ncej hlau nplaum yog muab nrog ib qho me me ntawm 1/3--1/4 tag nrho ncej nto, uas faib cov hlau nplaum rau hauv ob feem, thiab lub nplhaib tooj liab luv luv yog lub tes tsho ntawm qhov me me, zoo li qhov no. ntawm tus ncej hlau nplaum yog npog, yog li nws yog hu ua npog ncej lub cev muaj zog. Ib-theem winding yog sheathed ntawm tag nrho cov magnetic ncej, thiab cov coils ntawm txhua tus ncej yog txuas nrog series. Thaum txuas, lub polarity generated yuav tsum tau teem nyob rau hauv N, s, N thiab s nyob rau hauv lem. Thaum lub stator winding yog energized, lub ntsiab magnetic flux yog generated nyob rau hauv lub magnetic ncej. Raws li Lenz txoj cai, lub ntsiab sib nqus flux dhau los ntawm luv luv-circuit tooj liab nplhaib generates ib tug induced tam sim no nyob rau hauv lub nplhaib tooj liab uas lags qab 90 degrees nyob rau hauv theem. Magnetic flux generated los ntawm qhov tam sim no tseem lags qab lub ntsiab magnetic flux nyob rau hauv theem. Nws muaj nuj nqi yog sib npaug rau qhov pib winding ntawm lub capacitive lub cev muaj zog, yog li tsim ib rotating magnetic teb kom lub cev muaj zog tig.

Peb theem lub cev muaj zog

Peb theem lub cev muaj zog txhais tau hais tias thaum peb-theem stator windings ntawm lub cev muaj zog (txhua qhov hluav taws xob lub kaum sab xis ntawm 120 degrees sib txawv) txuas nrog peb-theem AC, qhov sib nqus sib nqus yuav raug tsim tawm. Lub rotating magnetic teb yuav txiav lub rotor winding thiab tsim induced tam sim no nyob rau hauv lub rotor winding (lub rotor winding yog ib tug kaw txoj kev). Tam sim no nqa rotor tus neeg xyuas pib yuav tsim hluav taws xob hluav taws xob nyob rau hauv qhov kev txiav txim ntawm stator rotating magnetic teb, thiaj li tsim electromagnetic torque ntawm lub cev muaj zog ncej thiab tsav lub cev muaj zog tig, thiab kev sib hloov ntawm lub cev muaj zog yog tib yam li ntawm cov rotating magnetic teb.

10 hp vfd bldc manufacturers hauv Is Nrias teb

Kev ua tau zoo: ys series peb-theem motors yog tsim thiab tsim raws li lub teb chaws tus qauv. Lawv muaj cov yam ntxwv ntawm kev ua haujlwm siab, kev txuag hluav taws xob, tsis tshua muaj suab nrov, kev co me me, lub neej ntev kev pab cuam, yooj yim txij nkawm, loj pib torque, thiab lwm yam. lawv yog chav kawm B rwb thaiv tsev, IP44 plhaub tiv thaiv, ic411 txias hom, 380V rated voltage thiab 50Hz rated zaus. . Lawv tau siv dav hauv cov khoom noj khoom haus, kiv cua thiab ntau yam khoom siv tshuab. Tus txheej txheem tswj hwm yog jb / t1009-2007 tag nrho kaw lub cev muaj zog nrog rau sab nraud kiv cua txias thiab squirrel tawb qauv. Cov qauv siv hluav taws xob muaj cov yam ntxwv ntawm cov qauv tsim tshiab, zoo nkauj tsos, tsis tshua muaj suab nrov, kev ua haujlwm siab, siab torque, zoo pib ua haujlwm, compact qauv, yooj yim siv thiab tu, thiab lwm yam. Lub tshuab tag nrho txais cov chav kawm F rwb thaiv tsev thiab tsim raws li cov rwb thaiv tsev. qauv kev soj ntsuam txoj kev ntawm kev xyaum thoob ntiaj teb, uas zoo heev txhim kho kev nyab xeeb thiab kev cia siab ntawm tag nrho cov tshuab. Nws tau mus txog qib siab ntawm cov khoom lag luam txawv teb chaws zoo sib xws thaum xyoo 1990s. Y2 series motors tuaj yeem siv dav hauv cov cuab yeej siv tshuab, kiv cua, twj tso kua mis, compressors, tsheb thauj mus los, kev ua liaj ua teb, kev ua zaub mov thiab lwm yam khoom siv sib kis.

Braking hom: muaj peb hom hluav taws xob braking rau peb-theem induction lub cev muaj zog: lub zog noj braking, thim rov qab braking thiab regenerative braking.

(1) Thaum lub zog siv braking, txiav tawm peb-theem AC fais fab mov ntawm lub cev muaj zog thiab xa lub zog DC mus rau stator winding. Thaum lub sij hawm ntawm kev txiav tawm ntawm AC fais fab mov, vim lub inertia, lub cev muaj zog tseem rotates nyob rau hauv thawj kev taw qhia, thiab induced electromotive quab yuam thiab induced tam sim no yog generated nyob rau hauv lub rotor conductor. Lub induced tam sim no generates torque, uas yog opposite rau lub torque generated los ntawm lub taag magnetic teb tsim tom qab lub direct tam sim no noj. Yog li ntawd, lub cev muaj zog nres rotating sai sai kom ua tiav lub hom phiaj ntawm braking. Hom no yog tus cwj pwm los ntawm kev ruaj khov braking, tab sis DC fais fab mov thiab lub cev muaj zog siab yuav tsum tau, tus nqi ntawm cov khoom siv DC yog loj, thiab lub braking quab yuam me me ntawm qhov ceev ceev.

(2) Rov qab braking yog muab faib ua load thim rov qab braking thiab fais fab rov qab braking.

1) Load thim rov qab braking tseem hu ua load thim rov qab braking. Thaum lub rotor ntawm lub cev muaj zog rotates nyob rau hauv cov kev taw qhia opposite rau lub rotating magnetic teb nyob rau hauv qhov kev txiav txim ntawm cov khoom hnyav (thaum lub crane siv lub cev muaj zog los txo cov khoom hnyav), lub electromagnetic torque generated nyob rau lub sij hawm no yog lub braking torque. Qhov torque no ua rau qhov hnyav poob qis ntawm tus nqi tsis tu ncua. Cov yam ntxwv ntawm hom braking no yog: cov khoom siv hluav taws xob tsis xav tau kev sib txuas rov qab, tsis tas yuav tsum muaj cov cuab yeej tshwj xeeb braking, thiab lub braking ceev tuaj yeem hloov kho, tab sis tsuas yog siv tau rau lub cev muaj zog. Nws lub rotor Circuit Court yuav tsum tau txuas nrog hauv series nrog loj tsis kam ua rau lub plam ntau dua 1.

2) Lub zog rov qab sib txuas braking thaum lub cev muaj zog xav tau nres, tsuav yog ob-theem fais fab kab tau hloov kho arbitrarily ua rau lub rotating magnetic teb opposite, nws muaj peev xwm nres sai. Thaum lub cev muaj zog ceev sib npaug li xoom, txiav tawm lub hwj chim tam sim ntawd. Hom braking no yog tus yam ntxwv ntawm qhov chaw nres tsheb ceev, muaj zog braking quab yuam thiab tsis xav tau cov khoom siv braking. Txawm li cas los xij, vim muaj qhov tam sim no loj thiab cuam tshuam lub zog thaum lub sijhawm braking, nws yooj yim rau overheat lub cev muaj zog lossis ua kom puas qhov chaw ntawm qhov kis tau tus mob.

 Geared Motors Thiab Electric Tsav Chaw Tsim Tshuaj

Qhov kev pabcuam zoo tshaj plaws los ntawm peb tus kws tsav tsheb xa mus rau koj lub inbox ncaj qha.

Tau Txais

Yantai Bonway Manufacturer Co., Ltd

ANo.160 Changjiang Road, Yantai, Shandong, Suav teb (264006)

T + 86 535 6330966

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