Dab tsi yuav tsum tau suav nrog hauv Photolithography Tshuab Quotation? Cleanroom Buyer's Breakdown

Oct 12, 2026

Tso lus

1. Taw qhia

Kev yuav lub tshuab hluav taws xob semiconductor photolithography sawv cev rau ib qho ntawm cov khoom siv loj tshaj plaws kev nqis peev ib qho chaw huv huv yuav ua. Cov nqe lus lag luam muaj ntau los ntawm ntau pua txhiab daus las rau qib siab tsis muaj qhov ncauj qhov ntswg ncaj qha -sau platforms thiab precision daim npog ntsej muag aligners mus rau kaum lab nyiaj daus las rau siab - los ntawm kev txo qis steppers thiab scanners.

Txawm li cas los xij, cov neeg ua haujlwm huv huv tau paub txog kev nkag siab tias ib kab - tus lej ntawm cov khoom xa tuaj yog qhov tsis muaj txiaj ntsig yam tsis muaj cov khoom lag luam thiab cov lus pom zoo.

Lub photolithography system tsis yog ib leeg neeg siv khoom siv. Nws yog lub rooj sib tham kho qhov muag kho qhov muag uas xav tau cov khoom siv tshwj xeeb hauv chav ntxhua khaub ncaws, kev tswj hwm ib puag ncig, kev cai software ntawv tso cai, ntawm -qhov chaw kho qhov muag, kev tsim nyog tus neeg teb xov tooj, thiab ntev - daim ntawv cog lus kev pab cuam.

Thaum cov lus hais tsis muaj qhov nthuav dav, cov chav huv huv feem ntau ntsib cov nuj nqis zais uas tuaj yeem ua rau tag nrho cov kev siv nyiaj tau los ntawm 20% mus rau 40% tom qab ua tiav daim ntawv cog lus-xws li lub tshuab nqus tsev tsis tau hais, thib peb- tog rigging surcharges, rov ua dua software opscription nqi, los yog txwv tsis pub muaj kev tiv thaiv 4 qhov kev tiv thaiv siab.

Ib qho kev hais lus nruj, dav siv ob txoj haujlwm tseem ceeb:

• Nws tshem tawm qhov kev xav tsis zoo tom qab- xaj cov nuj nqis los ntawm kev txheeb xyuas cov khoom kho vajtse, software, thiab cov kev pabcuam uas suav nrog.

• Nws muab cov pob tshab, cov txiv apples - rau - cov txiv apples hauv paus rau kev sib tw cov khoom lag luam sib tw.

Ua ntej kos npe rau daim ntawv cog lus yuav lossis tso nyiaj tso nyiaj, cov neeg yuav khoom yuav tsum xyuas kom meej tias lawv daim ntawv thov cov khoom siv photolithography npog txhua feem ntawm tag nrho cov khoom siv lub neej.

 

 

E-Beam Lithography System

E-Beam Lithography System

 

 

2. Khoom Specifications thiab Configuration

Thawj ntu ntawm ib qho kev tshaj lij yuav tsum tau txhais qhov tseeb txhua yam, kho qhov muag, thiab hluav taws xob teeb tsa ntawm qhov raug. Cov npe qauv tsis txaus; Cov ntaub ntawv yuav tsum sau tawm qhov kev ua haujlwm ntawm kev ua haujlwm ciam teb:

Cov Khoom Siv Qauv thiab Cov Txheej Txheem Txheej Txheem:

• Tus Qauv Zauv tshwj xeeb thiab kho dua tshiab: Qhia qhov tseeb lub tshuab tsim, qauv kho qhov muag subsystem, thiab lub hauv paus ncej vintage.

• System Architecture: Qhia seb lub platform yog lub ntsej muag tsis muaj lub ntsej muag laser ncaj qha -sau qhov system, kev sib cuag / qhov sib thooj daim npog ntsej muag, los yog txo qhov projection stepper (xws li, 5 × lossis 4 × txo piv).

Resolution thiab Optical Process Windows:

• Kev daws teeb meem tsawg kawg nkaus: Cov lus hais yuav tsum hais txog qhov tseem ceeb (CD) kev daws teeb meem raws li qhov tseeb ntawm chav huv huv ntau lawm thoob plaws tag nrho qhov chaw raug kis - tsis yog qhov zoo tshaj plaws - siv zog cais cov kab hauv qhov chaw kuaj pom zoo.

• Rayleigh Diffraction Criteria: Qhia tus lej aperture (NA) ntawm lub hom phiaj lens sib dhos thiab qhov siv tau qhov tob ntawm Focus (DOF):

R=k₁ · λ / NA

DOF=k₂ · λ / NA²

• Illumination Wavelength: Qhia kom meej qhov chaw kho qhov muag (xws li, 405 nm xiav-violet lossis 375 nm UV khoom-xeev laser diodes, los yog i- kab 365 nm / h- kab 405 nm / g- kab hluav taws xob laser 436 nm tso tawm thiab tso tawm beam uniformity (feem ntau Tsawg dua los yog sib npaug rau ± 2.0% thoob plaws qhov chaw raug).

Alignment thiab Layer-rau-Layer Overlay Accuracy:

• Sab saum toj-Side Alignment (TSA): Guaranteed 3σ overlay raug (piv txwv li, Tsawg dua los yog sib npaug li ± 0.25 μm rau ± 0.5 μm) siv siab - magnification split- teb optical microscopes lossis digital tshuab pom.

• Backside Infrared Alignment (BSA): Yog MEMS lossis Los Ntawm -Silicon Via (TSV) ua tiav, qhia kom meej infrared kis tau tus mob optics, hauv qab -sab lub koob yees duab daws teeb meem, thiab lav nyiaj backside overlay (feem ntau tsawg dua lossis sib npaug li ± 1.0 μm).

Wafer Size thiab Substrate Diversity:

• Cov kab uas muaj kev txhawb nqa: Qhia meej meej txog qhov kev txhawb nqa substrate qhov ntev -xws li 2-nti (50 mm), 3-nti (75 mm), 4-nti (100 mm), 6-nti (150 mm), thiab 8-nti (200 mm) wafers.

• Fragile thiab Irregular Substrates: Paub meej tias kev sib raug zoo nrog cleaved test tuag (xws li, 5 mm × 5 mm daim coupon), tuab iav photomask blanks, pob tshab quartz, thiab warped compound semiconductors (GaN-on-Si, SiC, thiab GaAs nrog txog 100 μ spherical).

Automation Level thiab Motion Control:

• Phau ntawv vs. Semi- Tsis Siv Neeg vs. Tsis Siv Neeg Siab: Qhia wafer loading mechanics (manual wafer chuck placement, motorized drawer, or automated cassette-to-cassette robotics with Equipment Front End Module [EFEM]).

• Theem Metrology: Linear stage travel range (X, Y, Z, and Theta), stepping resolution (eg,<=10 nm encoder feedback), thiab kaw -loop positioning repeatability.

 

 

Maskless Lithography Machine

Maskless Lithography Tshuab

 

 

3. Cov khoom siv thiab cov khoom siv yeem

Cov cuab yeej photolithography tsis tuaj yeem nthuav tawm wafers hauv kev sib cais. Cov lus hais yuav tsum paub meej qhov txawv ntawm tus qauv suav nrog cov khoom siv kho vajtse thiab cov khoom siv pab cuam xaiv tau:

Standard Included Hardware:

• Siab-Planarity Nqus Chucks: Qhia meej cov ntaub ntawv chuck (piv txwv li, ceramic lossis hard-anodized aluminium) thiab seb puas muaj ntau-zone nqus chucks rau ntau qhov sib txawv wafer muaj nyob rau hauv tus nqi hauv paus.

• Tshuab Lub Zeem Muag Lub Koob Yees Duab: Lub hom phiaj kho qhov muag pom, CCD / CMOS cov koob yees duab sib dhos digital, thiab cov kab teeb pom kev zoo ntawm LED (coaxial thiab oblique teeb pom kev zoo).

• Granite Base thiab Isolation Subsystem: Granite tshuab thaiv rau thermal huab hwm coj stability thiab sab hauv pneumatic los yog active vibration isolators.

Yeem Cov Khoom Pab Txhawb thiab Txhim Kho:

• Dedicated Cleanroom Peripherals: Qhia seb puas yog cov cuab yeej pab cuam sab nraud raug muab ntim los yog hais cais:

- Roj- lub tshuab nqus tsev vacuum pub dawb (tswj lub tshuab nqus tsev tsawg dua lossis sib npaug rau -80 kPa).

- Ntxuav cov huab cua qhuav thiab sub-micron particle filters.

- Kaw-loop recirculating chillers (tswj cov dej kub ruaj khov nyob rau hauv ± 0.1℃).

- Sab nraud active piezoelectric vibration tshem tawm platforms (ua tau raws li VC-D lossis VC-E cov qauv hauv pem teb).

• Substrate Handling Retrofits: Ntxiv cov phaj chuck sib hloov, tsis yooj yim wafer nqa tus pins, los yog cov ntxaij lim dej kho qhov muag rau cov koob tshuaj raug kho.

Software, CAD Processing, thiab Control Systems:

• Kev khiav hauj lwm System thiab CAD Engines: Tswj computer hardware specifications, operating system version, thiab haiv neeg CAD cov ntaub ntawv ingestion txhawb (GDSII, OASIS, DXF, Gerber).

• Software Licensing Scope: Qhia meej seb daim ntawv tso cai software puas muaj nyob mus ib txhis rau cov neeg siv chav huv huv tsis txwv lossis raug them nqi rooj zaum txhua xyoo.

• Advanced Digital Modules: Paub meej seb puas muaj cov nyiaj them poob haujlwm, Optical Proximity Correction (OPC), kev sib koom ua ke ntawm kev hloov pauv, thiab ua kom pom tseeb -exposure matrix (FEM) daim ntawv qhia cov tshuab hluav taws xob yog bundled lossis muag raws li tus nqi ntxiv -ons.

 

4. Kev teeb tsa thiab kev cob qhia

Kev xa mus rau qhov chaw thauj khoom dock tsis sib npaug ntawm cov cuab yeej ua haujlwm. Kev teeb tsa thiab kev cob qhia yuav tsum muaj ntaub ntawv tag nrho:

Installation thiab commissioning lub luag hauj lwm:

• Field Service Engineering: Qhia meej seb ntawm -kev ua haujlwm hauv chaw ua haujlwm thiab kev mus ncig rau lub Hoobkas-cov kws tshaj lij Kev Pabcuam Kev Ua Haujlwm (FSEs) tau suav nrog hauv daim ntawv thov.

• Facility Hookup Scope: Qhia meej meej txog kev lav phib xaub- cov kws tshaj lij hauv chaw ua haujlwm feem ntau muab cov khoom siv hluav taws xob huv huv (lub hwj chim, CDA, lub tshuab nqus tsev, tso pa tawm) rau thaj tsam ntawm lub tshuab, thaum tus neeg muag khoom engineers ua tiav qhov kev sib txuas sab hauv, kho qhov muag kho qhov muag, thiab kev sib tw tshuab.

Cov cuab yeej Calibration thiab Txais Kev Xeem:

• Factory Acceptance Testing (FAT): Cov ntaub ntawv pov thawj empirical ua ntej - cov khoom xa tuaj kuaj ntawm lub chaw tsim khoom ua kom pom kev daws teeb meem kho qhov muag, theem orthogonality, thiab theem nrawm.

• Kev Xeem Txais Qhov Chaw (SAT): Cov ntaub ntawv kos npe pom zoo - tawm hauv tus neeg siv khoom qhov chaw huv. Tus neeg muag khoom yuav tsum txheeb xyuas qhov tseem ceeb ntawm qhov sib npaug thiab qhov tseeb ntawm cov neeg siv khoom sib tshooj - muab cov khoom siv wafers siv cov neeg siv khoom photoresist formulations ua ntej kev lees txais zaum kawg - tawm.

Structured Operator thiab Maintenance Training:

• Cov ntaub ntawv pov thawj: Qhia tus naj npawb ntawm - hnub qhia chaw (feem ntau yog 3 txog 5 hnub ua haujlwm) thiab suav nrog cov neeg koom nrog.

• Cov Pab Pawg Lub Hom Phiaj: Sib cais cov lus qhia rau cov neeg ua haujlwm txheej txheem (CAD txoj haujlwm teeb tsa, xaiv daim ntawv qhia, kev paub txog kev ua kom pom tseeb) thiab cov neeg ua haujlwm tu chav huv huv (kev kuaj xyuas hluav taws xob laser, lub tshuab nqus tsev chuck tu, linear rail lubrication, thiab kev ntsuam xyuas kev nyab xeeb).

Technical Documentation Package:

• Cov ntaub ntawv nthuav dav: Cov neeg siv phau ntawv qhia tag nrho, cov lus qhia txog kev tiv thaiv kev tiv thaiv, pneumatic schematics, daim duab hluav taws xob hluav taws xob, thiab daim ntawv pov thawj kev nyab xeeb CE / SEMI S2 / S8.

 

5. Warranty thiab Tom qab -Kev Pabcuam Muag

Cov cuab yeej photolithography ua haujlwm thoob plaws 10 mus rau 15-xyoo lub neej. Lub warranty thiab kev txhawb nqa seem tiv thaiv koj cov peev nyiaj ua haujlwm tsis tu ncua:

Lub Sijhawm Warranty thiab Subsystem Kev Pabcuam:

• Duration: Standard comprehensive OEM warranties span 12 mus rau 24 lub hlis pib txij hnub ntawm SAT kos npe zaum kawg -tawm (los yog ib tug txiav txim siab tshaj plaws txiav tawm tom qab- xa).

• Kev Pabcuam Kev Pabcuam: Xyuas kom meej tias qhov kev lav phib xaub suav nrog cov khoom, kev ua haujlwm, ntawm -kev mus ncig, thiab hloov kho firmware. Qhov tseem ceeb, xyuas kom siab -cov khoom siv kho qhov muag muaj txiaj ntsig- xws li lub hom phiaj lo ntsiab muag, spatial light modulators, thiab khoom siv -xeev laser diodes- tau them tag nrho thiab tsis tso cai rau cov khoom siv.

Spare Parts Availability thiab Regional Stocking:

• Cov Khoom Muag Tseem Ceeb Tseem Ceeb: Txheeb xyuas seb cov khoom hnav (solenoid li qub, laser modules, theem encoders, lub tshuab nqus tsev cov ntsaws ruaj ruaj) muaj nyob rau hauv cov chaw hauv cheeb tsam lossis xav tau kev xa khoom thoob ntiaj teb.

• Obsolescence Guarantee: Cov chaw tsim khoom yuav tsum tau lav kev lag luam muaj cov khoom seem thiab cov khoom hloov pauv rau yam tsawg kawg 10 xyoo tom qab kev teeb tsa.

Technical Support Channels thiab teb Metrics:

• Tej thaj chaw deb Diagnostics: Encrypted tej thaj chaw deb telemetry kev them nyiaj yug pub OEM kho qhov muag engineers los soj ntsuam sensor cav thiab calibration cov ntaub ntawv nyob rau hauv lub sij hawm.

• Daim Ntawv Pom Zoo Qib Kev Pabcuam (SLA): Cov lus cog tseg tau hais tseg (xws li, xov tooj / cov lus teb nyob deb li ntawm 4 txog 8 teev, thiab ntawm -site engineering xa hauv 48 mus rau 72 teev rau cov cuab yeej tseem ceeb- teeb meem tshwm sim).

• Daim Ntawv Cog Lus Saib Xyuas Txhua Xyoo (AMC): Tus nqi ua ntej rau tom qab- daim ntawv cog lus kev pabcuam kev lav phib xaub, uas feem ntau yog li ntawm 8% mus rau 12% ntawm tus nqi cuab yeej txhua xyoo.

 

6. Cov nqe lus ntawm kev xa khoom thiab kev xa khoom

Kev saib xyuas logistical tuaj yeem ua rau muaj kev puas tsuaj loj rau cov cuab yeej siv thiab kev tsis txaus siab txog nyiaj txiag. Cov lus hais yuav tsum txhais cov kev thauj mus los nrog qhov tseeb meej:

Ntim thiab Kev Npaj Tiv Thaiv:

• Cleanroom Protective Crating: Moisture-barrier vacuum foil ntim, desiccant packs, nitrogen purging, and reinforced shock-damped ntoo crates haum rau precision optoelectronics.

• Kev saib xyuas ib puag ncig: Yuav tsum muaj kev sib koom ua ke ntawm cov ntsuas qaij thiab ntau -axis shock loggers ntawm lub thawv kom paub txog kev tuav tsis raug thaum caij tsheb npav.

Incoterms thiab Risk Allocation:

• Cov Lus Cog Tseg Kev Ua Lag Luam: Qhia qhov tseeb Incoterm 2020 txhais (piv txwv li, EXW, FOB, CIF, lossis DDP) thiab xaiv lub ntsiab lus hloov pauv ntawm lub npe thiab kev pheej hmoo ntawm kev poob. Rau kev xa khoom thoob ntiaj teb, DDP (Delivered Duty Paid) lossis DAP (Xa rau ntawm qhov chaw nrog lub npe huv chav tsev) muaj qhov ua tau siab tshaj plaws rau cov neeg yuav khoom.

• Kev Pov Hwm Tsheb Thauj Mus Los: Ua kom muaj kev pov hwm kev thauj mus los hauv hiav txwv / huab cua yog suav nrog, suav nrog 110% ntawm cov nqi them nqi lag luam tawm tsam txhua qhov kev pheej hmoo thaum lub qhov rooj - mus rau - qhov rooj hla kev.

Manufacturing Lead Time thiab Delivery Milestones:

• Defined Delivery Window: Lub xeev tsim lub sij hawm ua lub sij hawm nyob rau hauv lub lis piam tom qab tau txais cov nyiaj them poob haujlwm thiab kev qhia tshwj xeeb khov (piv txwv li, 10 mus rau 14 lub lis piam rau tus qauv ncaj qha -sau tshuab).

• Lub Sij Hawm Lub Sij Hawm: Lub sijhawm thauj mus los tiag tiag (3 txog 7 hnub ua haujlwm rau huab cua thauj khoom, 20 mus rau 35 hnub rau kev thauj khoom hiav txwv).

 

7. Cov nqe lus them nqi thiab cov nqi ntxiv

Kev lag luam pob tshab kom ntseeg tau tias cov phiaj xwm chav huv nyob hauv cov peev nyiaj tsis muaj kev sib cog lus tsis sib haum xeeb:

Lub Sij Hawm Them Nyiaj thiab Cov Ntsiab Lus Tseem Ceeb:

Cov cuab yeej cuab tam peev txheej nyiaj txiag sib txuas cov nyiaj ncaj qha mus rau qhov tseem ceeb tshaj plaws kev paub tseeb:

• 30% Cov Nyiaj Them Nqi Them Nqi: Ua raws li kev cog lus ua tiav thiab kev tso tawm engineering.

• 40% FAT Milestone: Raws li kev lees paub Hoobkas ua tiav ntawm qhov chaw tsim khoom.

• 20% Kev Xa Khoom & SAT Milestone: Ua raws li kev xa khoom hauv chav huv thiab ua tiav Qhov Kev Xeem Txais ntawm cov neeg siv khoom wafers.

• 10% Thaum Kawg Retention: Kom txog rau 30 mus rau 60 hnub tom qab coj mus muag commissioning.

Quotation validity:

• Nqe Lock Window: Lub xeev hais tau siv tau (feem ntau yog 30 txog 90 hnub), tiv thaiv tus neeg yuav khoom los ntawm luv luv - lub sij hawm hloov pauv thiab cov nqi hloov pauv thaum lub sij hawm kev siv nyiaj hauv tuam txhab.

Se, tariffs, thiab ntshuam cov dej num:

• Tax Transparency: Qhia seb tus nqi puas suav nrog Tus Nqi Ntxiv (VAT), se hauv zos, se se, lossis se se. Rau cov chav huv huv kev kawm, qhia meej cov ntaub ntawv xav tau rau lub luag haujlwm -kev zam kev kawm pub dawb.

Cov Kev Xav Tau Rau Kev Npaj Ua Haujlwm (Lub luag haujlwm ntawm tus neeg yuav khoom):

Cov lus hais yuav tsum qhia meej txog cov khoom siv hluav taws xob poob qis uas tus neeg yuav khoom yuav tsum muab:

• Cua qhuav qhuav (CDA): Tswj kom ntau dua lossis sib npaug ntawm 0.6 MPa, dew point Tsawg dua lossis sib npaug rau -40℃.

• Txheej Txheem Nqus Tsev: Lub tshuab nqus tsev ruaj khov Tsawg dua lossis sib npaug rau -80 kPa.

• Hwj chim: Surge- tiv thaiv AC lub zog nrog rau lub ntiaj teb huv si hauv av (ua haujlwm <5 Ω).

• Cleanroom Airlock Clearance: Qhov siab ntawm qhov rooj thiab lub elevator load txwv yuav tsum tau txav mus rau hauv chav huv.

 

8. Daim ntawv teev npe ua ntej lees txais cov lus hais txog Photolithography

Ua ntej tshaj tawm daim ntawv xaj yuav raug cai, pawg neeg yuav khoom hauv chav huv yuav tsum tshuaj xyuas tsib -cov ntawv txheeb xyuas cov ntsiab lus no:

1. Paub meej tias tag nrho cov kev tsis zoo:

Txheeb xyuas qhov kev daws teeb meem (R=k₁ · λ / NA), kev sib tw overlay (tsawg dua lossis sib npaug li ± 0.25 μm), thiab qhov ntau thiab tsawg substrate (wafers thiab daim coupon tuag) yog sau ncaj qha rau hauv cov khoom qhia tshwj xeeb.

2. Tshawb xyuas cov kev suav nrog kev cais tawm:

Tshawb xyuas cov khoom siv peripheral (lub tshuab nqus tsev twj, chillers, vibration tables) thiab daim ntawv tso cai software. Paub meej tias cov software hloov tshiab puas suav nrog yam tsis muaj nqi ntxiv.

3. Txheeb xyuas Warranty Coverage Details:

Xyuas kom tseeb tias lub hom phiaj kho qhov muag lo ntsiab muag, laser diodes, thiab cov tswj theem tau them raws li kev tiv thaiv tag nrho yam tsis muaj kev cais tawm.

4. Qhia meej Shipping, Rigging, thiab Customs Role:

Paub meej tias leej twg them rau kev lis kev cai clearance, cleanroom rigging crews, thiab transit insurance.

5. Kev Ruaj Ntseg Sau Cov Lus Cog Tseg ntawm Kev Xa Khoom thiab SAT:

Xyuas kom meej tias qhov nyiaj them kawg (10% txog 20%) yog nruj me ntsis rau kev xeem dhau qhov chaw lees paub qhov chaw ntawm koj cov khoom siv wafers hauv koj chav huv.

 

9. Cov lus xaus

Kev ntsuam xyuas lub tshuab photolithography hais yuav tsum tau saib deb dhau ntawm tus nqi tshuab headline. Cov khoom siv qis qis uas tsis suav nrog kev teeb tsa, tshem tawm lub tshuab nqus tsev tseem ceeb, txwv tsis pub muaj kev tiv thaiv, lossis them nyiaj txhua xyoo CAD daim ntawv tso cai software sai yuav kim dua li cov lus pom zoo, turnkey.

Cov khoom siv photolithography zoo tshaj plaws hais qhia ua kom pom tseeb thoob plaws:

• Granular optical, motion, thiab substrate specifications.

• Tag nrho cov qauv tsim nyog thiab cov cuab yeej pab tu chav huv.

• Turnkey ntawm -qhov chaw teeb tsa, kev txheeb xyuas qhov tseeb SAT, thiab kev cob qhia tus neeg ua haujlwm.

• Kev lees paub OEM kev tiv thaiv kev tiv thaiv siab -tus nqi kho qhov muag.

• Cov ntsiab lus tseem ceeb-raws li cov nqe lus them nqi raws li cov ntaub ntawv pov thawj engineering.

 

Ntawm Nice-Tech (https://www.dmjsemi.com/), peb muab cov neeg yuav khoom huv si thoob ntiaj teb nrog pob tshab, tag nrho cov khoom siv thiab kev lag luam tawm tswv yim rau peb qhov siab -qhov tseeb tsis muaj qhov ncauj qhov ntswg ncaj qha- sau thiab kho qhov muag lithography tshuab. Txhua Nice-Tech quotation kom meej meej delineates hardware configurations, software inclusions, FAT/SAT txais cov qauv, thiab Hoobkas warranty tiv thaiv- xyuas kom meej tag nrho cov nyiaj txiag thiab kev ua hauj lwm kwv yees los ntawm kev nug thawj zaug mus rau tsim nyog tsim.

 

Thov ib daim ntawv hais txog koj qhov chaw huv huv?

Hu rau Nice-Tech technical applications team hnub no kom xa koj cov txheej txheem tsim cov cai, tshuaj xyuas substrate compatibility, thiab tau txais ib qho khoom siv, cov khoom siv turnkey raws li koj daim ntawv thov:

Lub Vev Xaib: https://www.dmjsemi.com/

Direct Inquiries & Proposal Thov:

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