Cov lus qhia ntxaws ntxaws ntawm kev zam kev ua kom zoo nkauj thev naus laus zis rau cov kev sib cuag nyiaj

 

Raws li cov tseem ceeb ntawm cov khoom siv hluav taws xob hauv cov khoom siv hluav taws xob tsawg, thiab lwm yam kev nyab xeeb, thiab lwm yam kev nyab xeeb, thiab lwm yam kev nyab xeeb, thiab lwm yam kev tiv thaiv kev nyab xeeb, thiab lwm yam kev nyab xeeb, thiab lwm yam kev pabcuam hluav taws xob, thiab lwm yam kev pabcuam hluav taws xob tsis zoo Nyiaj hu rau kev tsim qauv vim nws cov txiaj ntsig ntawm kev ua haujlwm siab, muaj txiaj ntsig zoo, thiab tus nqi qis thiab tus nqi qis .

 

Electric Silver Contact

 

 

Cov Txheej Txheem Yooj Yim Ntawm Cov Nyiaj Pab Nyiaj

 

Raws li cov ntaub ntawv siv thiab cov txheej txheem theem, hluav taws xob kev sib cuag tuaj yeem raug faib ua cov qib hauv qab no:

 

Ntaus Qauv Tsim Cov txheej txheem hloov tau
Cov Nyiaj Sib Ntsib Kev Ua Haujlwm Ntawm Nyiaj Los Ntawm Nyiaj Alloy Hlau Kev tsoos CANKY Forging (ib txheej)
Tso cai me me Kev sib xyaw ua ke ntawm cov xov tooj liab loj Kev tsoos CANKY Forging (ib txheej)
Puas muaj kev sib cuag Composite Forging ntawm cov nyiaj alloy xaim thiab hlau hlau (ob txheej) Ib Tuag Ob Leeg Punch Txias Forging Txheej Txheem
Triple Composite Sib cuag Taub hau nyiaj txheej + Nruab Nrab Tooj Liab Txheej + ko taw nyiajement txheej (peb txheej) Ib Tuag Peb Punch Txias Forging Tshiab Technology

 

Cov lus: Kev ua tau zoo thiab cov txheej txheem sib piv ntawm ntau hom nyiaj sib cuag

Hom Hu Cov Khoom Siv Cov Khoom Siv Cov txheej txheem tsim khoom Silver Txheej Thickness Kev sib cuag Nqi Index
Cov Nyiaj Sib Ntsib Nyiaj alloy Ib Tuag Ib Punch Txhua Nyiaj 10-20μΩ 100
Ua tiav tooj liab hu rau Tooj liab Ib Tuag Ib Punch Txhua tus tooj liab 40-80μΩ 10
Compound Hu Ag / Cu Ib tug tuag ob punches 0.3-1.0 hli 20-50μΩ 30-50
Peb peb npaug sib cuag Ag / cu / ag Ib tug tuag peb punches 0.3-1.0 hli 30-60μΩ 20-40

 

Txias Cheading Ua Kev Ua Haujlwm Technology ntawm Nyiaj Sib cuag

 

Txias hau taub yog lub thev naus laus zis uas siv cov punch los ua cov txheej txheem hlau, thiab cov khoom siv tsis tshua muaj zog

 

1.}}}}}}}}}} Cov khaub ncaws khaub ncaws tsoos

Cov Khoom Siv: Nyiaj lossis Nyiaj Siv Hlau Alloy (Agni, Agsno₂, Agcdo, thiab lwm yam.)

Txheej Txheem Flow:

Chaw thau khoom → Ib-tuag-ib-punch txias taub hau → Tu → Annealing → Squering Squiple

Nta: Cov txheej txheem yooj yim, haum rau cov ntawv thov me thiab nruab nrab tam sim no, zoo hu rau kev ncaj ncees, tab sis cov khoom siv siab tus nqi.

 

{{02. ib-punch txias taub hau tshuab rau bimetal cov nyiaj sib cuag (ob-txheej qauv)

Cov Khoom Siv: Nyiaj alloy xaim + Tooj Hlau Tooj
Txheej Txheem Flow:

Nyiaj Hlau → Tooj Liab Hlau → Ib Leeg-Ntaus Ob-xuas nrig ntaus → Techning → Techning → Squering Squiple
Hom tau zoo:

Txo cov nyiaj pab nyiaj thiab tus nqi
Cov Txheej Txheem Txheej Txheej Thickness, haum rau Batch tsis zoo no cov khoom lag luam
Kev ua tau zoo thiab lub zog

 

{{03. ib-punch txias lub taub hau tshuab rau trimetal nyiaj sib cuag (high-accters)

Cov Khoom Siv: Nyiaj alloy xaim + Tooj Hlau + Nyiaj Hlau + Nyiaj Cov Nyiaj Hlau
Txheej Txheem Flow:

Nyiaj Hlau → Tooj liab hlau → Nyiaj Hlau → Cov Hlau Nyiaj Ib Leeg
Nta:

Kev tswj hwm ntawm cov nyiaj nyiaj ntawm lub taub hau thiab cov nyiaj txheej ntawm ko taw
Cov txheej nyiaj thiab lub khawm tooj liab tau txais dag zog los ntawm cov txheej txheem alloy
Tuaj yeem siv rau hloov hloov chaw, kev tswj kev lag luam rov qab, thiab lwm yam.
Piv nrog tag nrho cov nyiaj sib cuag, nws tuaj yeem txo ntau dua 50% ntawm cov khoom siv

 

Manufacturing Processes of Electrical Silver Contact

 

 

Tungsten steel alloy pwm rau lub taub hau txias

 

Thaum lub sij hawm cov txheej txheem txias taub hau ntawm cov nyiaj tau los ntawm cov pwm, qhov tseeb thiab hnav tsis zoo ntawm cov khoom lag luam zoo thiab pwm lub neej {}}

Pwm Cov Khoom Siv: Ultrine nplej tungsten steel (nyuaj alloy yg15, YG20C)
PWM Cov Raug: Kev tiv thaiv yog tswj tsis pub dhau ± 0.00 hli
Pwm Txheej Txheem:

Sab saum toj pwm: Punch yog siv los xuas nrig ntaus cov nyiaj saum toj ntawm lub taub hau
Qis dua pwm: txoj kev sib sau kab noj hniav yog tswj qhov tob thiab cov duab ntawm cov nyiaj nyiaj
Cua txias thiab lubrication: Tshwj xeeb Micro-emulsified Roj nplua los kom ua kom cov tswj qhov kub thiab txias thiab ua kom haum

 

Tungsten Steel Milling Cutters and Toolings

 

 

 

Mob khaub thuas txias heev ntawm cov khoom siv nyiaj alloy

 

Alloy Hom Cov Lus Qhia Tshwj Xeeb Daim ntawv thov kev yoog
Agni Muaj zog tiv taus vuam, hnav tsis kam, muaj zog txhua yam Tus Hu, Hloov
Lub AgcCo Muaj zog arc ablation tiv taus, zoo tshaj plaws ua haujlwm Nruab nrab thiab siab load relays
Tus ciaj tau Cov Khoom Siv Ib Paus Ib Puag Ncig, Zoo Arc Kuj Tej yam me me Circuit Court tej fais fab, khoom siv hauv tsev hloov
Lub nyoog Pheej Yig, Kev Ua Haujlwm Zoo, Haum rau Nruab Nrab thiab cov khoom poob qis Tsawg-voltage hloov, meter kev sib cuag

 

Txias hau taub hau tau muaj cov yas ntawm cov qauv nyiaj thiab muaj txiaj ntsig zoo dua thiab muaj txiaj ntsig zoo ntawm cov nyiaj saum toj ntawm lub taub hau .

 

Silver Alloy Raw Material for Electric Contact

 

 

 

Txoj kev tswjfwm dimension thiab cov nyiaj txheej optimizations thaum lub taub hau txias

 

1. qhov tseem ceeb ntawm nyiaj txheej tswj:

Cov txheej txheem tswj hwm nyiaj kis tau yooj yim rau cov khoom lag luam hluav taws xob, uas yog cov khoom siv hluav taws xob tshwj xeeb, uas yog qhov kev faib khoom tsim nyog ntawm cov nyiaj nyiaj hauv Cov khoom kawg . thawj punch feem ntau ua tiav cov txheej txheem ua ntej ntawm cov nyiaj no thiab cov txheej txheem tshwj xeeb}} Qhov thib ob ua tiav cov duab zaum kawg thiab cov khoom sib txuam ntawm cov txheej txheem ntawm lub taub hau. Kev zam txim nce mus rau hauv ± 0 {{{{}} 02mm.


Tus txheej txheem ntawm ib-punch yog cov thev naus laus zis ua tiav cov txheej txheem ua ntej cov txheej txheem ua ntej ntawm cov nyiaj txheej (deformation {5 5}}%); Qhov thib ob punch paub ntau txoj kev hloov pauv thiab ntim faib ntawm cov txheej nruab nrab (xws li txheej nickel txheej) (deformation {65}%); Qhov thib peb punch ua zaum kawg thiab loj li qub (deformation} Yuav tsum tau tswj tsis pub dhau 0 {. 005mm. Qhov kev tshem tawm ntawm punch thiab tuag yog feem ntau tsuas yog1-2% ntawm cov khoom tuab.

 

Thickness tswj ntau:0.2-1.0 hli (tsim kev xav tau)
Yuav tsum muaj cov yuav tsum tau:Hauv ± 0.03 hli
Txoj kev kuaj pom:Digital Display Projector Tsis Siv Neeg Yuav Tsum Tshuaj Xyuas
Txheej Txheem Txhim Kho:meej thiab ruaj khov chim siab yog tiav los ntawm pwm kab noj hniav hloov thiab xuas nrig tswj

 

2. sib xws siv:

Siv ib qho khoom siv pub mis tsis siv neeg thiab metering system
Tsis siv neeg kho ntawm cov khoom ntev, kev ua siab ntev, thiab lub taub hau tiaj

 

Annealing diffusion thiab cov txheej txheem kho deg kom zoo

 

1. high-high-kub annealing thiab alloy diffusion

Lub Hom Phiaj: Tshem tawm cov kev ntxhov siab txias thiab txhim kho txoj kev sib txuas ntawm lub zog ntawm cov nyiaj nyiaj thiab lub tooj liab matrix
Txoj kev: Kev kub-kub annealing rauv
Kub: 350-500 degree, khaws kom sov rau 30-60 feeb

 

2. npoo huv kev kho

Cov roj stains thiab impurity nyob rau saum npoo ntawm cov nyiaj ntshiab ntshiab yuav cuam tshuam rau kev sib cuag tiv thaiv thiab arc kev ua kom huv si.

Txheej Txheem Flow:

Ntau lub tank ultrasonic degreeze → ntshiab dej yaug → kom qhuav
Kho Qauv:

Tsis muaj ntiv tes, roj zaj duab xis, lossis microparticts rau saum npoo
Tsim nyog cov nqi ntsuas tus nqi (tsawg dua los yog sib npaug rau 1mω)
 

Silver Contact Details Show

 

 

Kev ceev faj rau kev ntim khoom, cia, thiab siv

 

1. tshuab ntim ntau

Lub Tshuab Nqus Qhuav Ntim: Tsis txhob oxidation
Ya raws-nqus cov khoom interlayer: kom qhuav
Shourproof Ua npuas ncauj: tiv thaiv kev ua pob thiab deformation

 

2.} chaw cia khoom

Kub: 10 yog muaj ~ 35 degree; Vaum noo:<60%RH
Zam kev tshav ntuj ncaj qha thiab cov roj corrosive

 

3.} siv cov lus qhia

Nco ntsoov tias cov nyiaj saum toj yog huv thiab dawb ntawm oxidation ua ntej siv

Nws raug nquahu kom siv cov khoom siv riveting rau kev teeb tsa kom paub tseeb

Rau cov neeg uas tau khaws cia rau ntau dua 6 lub hlis, nws raug nquahu kom rov ntxuav cov npoo ua ntej siv

 

 

Daim Ntawv Thov Kev Lag Luam thiab Kev Tsim Kho Kev Lag Luam

 

Txias-forged Silver Alloy Cov neeg Hu tau dav siv nyob rau hauv cov teb hauv qab no vim lawv qhov ruaj khov, nqi zog, thiab versatility:

 

Cov Khoom Siv Khoom Siv Chaw ua haujlwm zoo Vim li cas siv
Relay Dynamic / Static Hands Zoo Arc Kuj thiab cov lus teb nrawm
Tus cuag Cov neeg nyob ze, cov neeg sib cuag Txhawb siab siab tam sim no on-off
Lub khawm yus nias Rocker Caj Npab, Customing Ciaj Sau Npe Kev tswj hwm tus nqi zoo thiab muaj zog kev cia siab
Phab Txheem Breaker Kev nrawm-tawg / qeeb cov qauv sib ntsib Siab zoo thiab siab neeg ua haujlwm lub neej
Xias meter fais fab Module Cov Khoom Siv, Tswjhwm Loj Haum rau lub sijhawm ntev ruaj khov qis tam sim no thauj khoom

 

Txias-forged nyiaj alloy kev sib cuag tshuab yog qhov ua tau zoo ntxiv rau cov khoom siv hluav taws xob tsawg dua, thiab tseem muaj peb-punch, tsis yog muaj peb-punch, tsis yog muaj peb-punch, tsis yog muaj peb-punch, tsis yog muaj ntau yam kev sib tw tau ua tiav rau cov khoom siv hluav taws xob tsawg dua thiab kev sib cuag tau zoo {} nrog kev txhim kho ntawm Kev siv tshuab thiab tsim kev ntse heev, tus nqi sib sau hluav taws xob kev hloov pauv ntau ntxiv, cov khoom siv hluav taws xob kom txav mus rau theem siab dua.

 

Application of silver contacts

 

 

 

 

Cov ncauj lus kom ntxaws piav qhia ntawm cov txheej txheem txias cov txheej txheem thev naus laus zis rau relay core

 

Txias hau taub yog kev ua lag luam siv rau hauv cov pwm hluav taws xob hauv chav ua ke kom ua tiav cov txheej txheem ntawm chav tsev kom ua tiav los ntawm cov txheej txheem txias rau kev ua kom txias uas muaj cov yam ntxwv ntawm cov khoom siv uas muaj zog txuag, txoj kev zoo sib xws, thiab kev ua haujlwm siab {}}

 

Relay Cores

 

 

 

Qhov tseem ceeb thiab qauv theem ntawm Repay Core

 

Cov neeg siv hluav taws xob relay yog tus tseem ceeb sib nqus Circuit Court Circuit Court Ceg, thiab lwm yam los ua kom muaj kev sib nqus hluav taws xob.

 

(1) {{. High Magnetic permeability los xyuas kom meej circuitticacuitity;

(2) {{{. Qhov tsis tshua muaj zog quab yuam kom txo qis dua hlau nplaum;

(3) {{.} Qhov seem zoo sib xws los xyuas kom haum cov kev sib dhos ua ke;

(4) {{{{{. Cov nplaim dej huv thiab tuaj yeem ua kom muaj hluav taws xob, uas yog qhov ua rau corrosion tsis kam thiab txhim kho kev ua haujlwm.

 

Txhawm rau ua kom tau raws li cov kev xav tau no, cov hluav taws xob ntshiab ntshiab hlau yog qhov kev xaiv cov roj carbon ntau thiab yog cov ntaub ntawv tsis tshua muaj pa hluav taws xob thiab cov khoom siv tsis tshua muaj zog nyob rau hauv txias taub hau core {}}

 

Cov txheej txheem txheej txheem ntawm cov txheej txheem txias hauv cov tub ntxhais

 

1.} Cov ntaub ntawv xaiv: Hluav taws xob ntshiab hlau hlau

Cov khoom siv raw rau cov tub ntxhais txias lub taub hau hluav taws xob dt4c hlau, cov hlau yog xaiv, uas yuav tsum muaj cov khoom siv sib cav sib ceg thiab cov khoom siv txias.

 

Pure Iron Material for Relay Core

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2.}}}}} Lub zog txias khaub ncaws: High-zog Tungsten Steel Alloy

Cov kev tsim ntawm cov khaub thuas taub hau yog nyob ntawm high-precials tuag qauv kev tuag, uas muaj kev tuag txias thaum lub sij hawm cuam tshuam thiab zam kev tsis xws luag xws li tawg thiab Lim .

 

{3.}}}}}}}} one tuag ob punches lossis ntau-chaw nres tsheb ua

Cov txheej txheem no khaub thuas taub hau ntawm cov hlau tseem ceeb feem ntau yog kev xav ib tug-punch cov txheej txheem, thiab tus tub ntxhais lub taub hau ua tiav los ntawm ob cuam tshuam; rau cov cores hlau nrog ntau cov qauv sib xyaw lossis ntau qhov chaw nres tsheb kom tiv thaiv cov teeb meem no xws li skew thiab eccentricity {}}

 

Cold heading forming: one die two punches or multi-station processing

 

 

 

Kev tswj hwm Dimension thiab qhov tseem ceeb tsis zoo ntawm Khaub thuas Hlau Core

 

Qhov ntsuas qhov tseeb yog qhov ntsuas tseem ceeb hauv kev sib tw txias, thiab lwm yam ntawm cov dej num ntawm cov dej num hauv qab .

 

Cov khoom tseem ceeb suav nrog:

Coaxiality: Xyuas kom meej tias qhov sib nqus teb yog tusyees faib tom qab lub tshuab hluav taws xob tau teeb tsa hauv lub kauj;
Txoj kev ncaj: cuam tshuam rau tus quab yuam thiab xuas sucial stability;
Seem seem stability: muaj feem xyuam rau kev sib txuas lus ntawm cov khoom;
Xaus tiaj tiaj: cuam tshuam rau kev tiv tauj zoo nrog tus quab lossis lub plhaub .

 

Rooj: Qhov ntsuas qhov tseem ceeb ntawm hluav taws xob ntshiab hlau td4c txias taub hau hlau

Qhov ntsuas tau ua tiav Kev xav tau Kev Ntsuas Cov Qauv
Lub cheeb tsam tiv taus (mm) ±0.02 Kev Ntsuas Cov Ntawv Micrometer
Tawm-ntawm-roundness (mm) Tsawg dua los yog sib npaug rau 0.03 Righting ntsuas
Saum npoo kho qhov tob (hli) Tsawg dua los yog sib npaug rau 0.05 Lub tsom iav tsom tshuab
Tensile lub zog (mpa) 265-380 GB / T 2288.1
Ntu Shrinkage (%) Ntau dua los yog sib npaug rau 50 GB / T 2288.1
Kev quab yuam yuam (a / m) Tsawg dua los yog sib npaug rau 32 GB / T 3656

 

Kev Kho Mob Tom Qab Txias Kev Kho Mob: Kev Kub Ntxhov Siab Tshaj thiab Sib Nqus Cov Khoom Sib Nqus

 

Txias hau taub yog ib tug txheej txheem muaj zog permeability thiab mos sib nqus cov khoom . Cov hluav taws xob ntshiab feem ntau yog cov khoom siv ntshiab ntawm hluav taws xob thiab cov khoom siv txuas ntxiv ntawm cov khoom zoo.

 

Cov lus: Piv txwv ntawm cov kev kub siab rau cov kev ntsuas kub siab rau TD4C Core

Txheej Txheem Theem Kub (degree) Lub sijhawm (h) Kev Xav Kom Yuav Tsum Tau Ua Tus nqi txias (degree / h)
Preheating 300-400 0.5-1 Huab cua / nitrogen -
Thawj theem rwb thaiv tsev 650±10 1 Nitrogen tiv thaiv Tsawg dua los yog sib npaug rau 100
Ob Theem Rwb Thaiv Tsev 850±5 3 Hydrogen-nitrogen sib xyaw Tsawg dua los yog sib npaug rau 50
KUB CUA TXIAS 850→400 - Hydrogen-nitrogen sib xyaw 30-50
CEEV CEEV 400 → chav sov - Cua Txwv tsis pub

 

Nto Kho: Electroplating npib rau xeb tiv thaiv thiab ua haujlwm txhim kho

 

Tom qab annealing, cov nplaim dej-forged DT4c hlau hlau tub ntxhais thiab yuav tsum tau ua kom zoo nkauj lossis ua ntej}, ua ntej} Tom qab ntawv yuav tsum tau ua raws li cov ntawv thov cov ntawv thov:

Lub thickness ntawm cov nickel txheej feem ntau tswj tau ntawm 3μm ~ 8μm;
Lub npib tsib xee ua lub luag haujlwm tiv thaiv xeb, txhim kho kev sib cuag kev cuam tshuam, thiab txhim kho corrosion tsis kam;
Cov txheej txheem electroplating yuav tsum tau kom ntseeg tau cov kev sib luag thiab tsev ua kom muaj zog los tiv thaiv kev txhuam .

 

Cov lus: Zoo tshuaj ntsuam cov qauv rau Nickel plating ntawm Relay Core Core

Tshuaj Ntsuam Xyuas Kev xav tau Txoj kev xeem
Txheej Thickness (μm) 3-8 (raws li cov duab kos) ISO 2178
Kua nplaum Tsis tau blistering lossis shedding ISO 2819
Porosity (pieces / cmol) Tsawg dua los yog sib npaug rau 5 (saum npoo) ISO 4524
Kev Ntsuas Cov Ntsev Ntau dua los yog sib npaug rau 96 teev yam tsis muaj xeb liab ISO 9227
Nto tsis kam (Mω) Tsawg dua los yog sib npaug rau 50 Plaub-Sojntsuam
Kev tshwm sim Cev khaub ncaws hnav thiab flawless Pom Kev Ntsuas (20x Tsom Xyooj)

 

Iron Core Details Show

 

 

Kev ceev faj rau cov khoom tseem ceeb, cia, thiab siv

 

Txhawm rau tiv thaiv oxidation, xeb, los yog doog ntshav-forged cov tub ntxhais tom qab annealing, kev saib xyuas tshwj xeeb yuav tsum tau them rau nws cov ntim thiab cia:

Qhwv nrog anti-xeb roj los yog vapor tiv thaiv cov yeeb yaj kiab xeb;

Khaws kom qhuav thiab khaws cia ntawm chav tsev kub, zam kev ua tshav ntuj ncaj qha lossis thaj chaw ib puag ncig;

Zam kev cuam tshuam kom tsis txhob muaj kev thauj mus los los tiv thaiv kev deformation ntawm cov hlau ntshiab repay core lossis demadation ntawm cov khoom sib nqus {}}

 

Ntim thiab ntim khoom yog ib qho tseem ceeb rau kev tswj hwm cov hluav taws xob rov qab tsim los ntawm kev sib tsoo hlau hauv PE Gel, {5-10 g / 100 daim) yog ntxiv; Cores loj tuaj yeem thauj khoom hauv cov hlwv sib cais los ntawm fooam. Cov khoom siv cov khoom lag luam, kom muaj nuj nqis, thiab muaj nuj nqis rau hnub nyoog lossis muaj nuj nqis rau hnub nyoog lossis muaj nuj nqis rau hnub nyoog lossis muaj nuj nqis rau hnub nyoog lossis muaj nuj nqis} gases .} Cov khoom lag luam tswj hwm raws li Nickel-{{{{{{{{{{20 20 20}}

 

Packing Delivery by ExpressSeaChina Railway Express

 

 

Cov ntawv thov raug ntawm coldes cores nyob rau hauv relays

 

Txias-forged cores yog dav siv nyob rau hauv ntau lub electromagnetic bibays, thiab cov hom nquag muaj xws li:

(1) {{{{{{{{{{{{{}} Kev sib txuas lus sib txuas lus: Yuav tsum muaj ib qho loj me me thiab muaj kev sib nqus permeability;

(2) {{{{{. Kev Relotive Relays: Yuav tsum muaj kev poob siab tsis kam thiab siab ntseeg tau;

(3) {{{. muaj kev tswj kev tswj hwm: tsom rau kev sib nqus kev ruaj khov thiab thermal stability thiab thermal ruaj khov;

(4) {{{{.} Smart Sch Relay: Qhia txog kev miniaturization thiab zoo li.

 

Hauv cov relays, cores-forged cores feem ntau riveted nrog hluav taws xob ntshiab hlau, uas thaum kawg txiav txim siab lub tshuab nqus hluav taws xob thiab cov xeeb ceem ntawm lub relay.

 

Cold-forging technology plays an irreplaceable role in the mass production of relay Cores for Electromagnetic Relays with its high efficiency, high precision, and low cost. From electrical pure iron material selection, tungsten steel mold design, and dimensional accuracy control, to subsequent annealing, electroplating, and cleaning treatment, each link has a profound impact on the final performance of the core. Los ntawm kev ua kom tsis tu ncua lub taub hau txias, kev ua tiav ntawm kev txhim kho hauv lub neej yav tom ntej yuav muaj kev txhim kho hluav taws xob thiab cov khoom siv hluav taws xob.

 

Typical Applications Of Cold-Forged Cores In Relays

 

 

Tiv Tauj Peb

 

Mr. Terry from Xiamen Apollo