Dab tsi yog Laser Txias Vuam Tshuab
Lub laser txias vuam tshuab yog vuam cov cuab yeej siv fiber ntau laser los txuas cov seem ntawm cov hlau lossis cov thermoplastics. Lub laser beam fiber muab ib qho kev tsom rau cua sov siv rau qhov chaw weld, ntug ntawm lub qaum, sib koom ntawm lub ceg tawv, seam, hnia vuam khawm, sib sib zog nqus vuam, qib siab nqaim solders. Hauv kev siv automation xws li kev lag luam automotive, cov txheej txheem kuj tseem siv rau hauv cov ntim siab.
Cov txiaj ntsig ntawm Laser Txias Vuam Tshuab
Qhov xav tau ntawm cov cua sov tuaj yeem raug txo kom tsawg, qhov kev hloov pauv ntawm metallographic thaj tsam ntawm tshav kub cuam tshuam yog me me, thiab deformation vim cov cua sov conduction kuj yog qhov qis tshaj.
Cov txheej txheem vuam tsis sib xws ntawm ib leeg dhau welding ntawm 32 hli phaj tuab tau tsim nyog, uas tuaj yeem txo lub sijhawm xav tau rau vuam ntawm daim hlau tuab thiab txawm tias txuag kev siv cov khoom siv hlau.
Tsis tas yuav siv electrodes, tsis muaj kev txhawj xeeb txog electrode paug lossis puas. Thiab vim tias nws tsis yog txoj kev sib cuag vuam, hnav thiab deformation ntawm lub tshuab tuaj yeem raug txo kom tsawg.
Lub teeb laser yog ib qho yooj yim rau kev tsom, ua kom zoo, thiab coj los ntawm cov cuab yeej kho qhov muag. Nws tuaj yeem muab tso rau ntawm qhov chaw tsim nyog los ntawm qhov chaw ua haujlwm, thiab tuaj yeem rov qab coj los ntawm cov cuab yeej lossis cov teeb meem ib puag ncig ntawm lub workpiece. Lwm txoj kev vuam yog txwv los ntawm kev txwv qhov chaw saum toj no. Ua si tsis tau.
Lub workpiece tuaj yeem muab tso rau hauv qhov chaw kaw (hauv lub tshuab nqus tsev lossis ib puag ncig roj hauv kev tswj hwm).
Lub laser beam tuaj yeem tsom rau ntawm thaj chaw me me thiab tuaj yeem txuas cov khoom me me thiab ze ze.
Qhov ntau ntawm cov khoom siv weldable yog dav, thiab ntau yam khoom siv sib txawv kuj tuaj yeem koom ua ke.
Nws yog ib qho yooj yim rau automate high-speed welding, thiab nws tseem tuaj yeem tswj tau los ntawm digital lossis computer.
Thaum welding nyias los yog nyias txoj kab uas hla, nws yuav tsis zoo li raug rau melting rov qab li arc vuam.
Tsis cuam tshuam los ntawm cov hlau nplaum (arc welding thiab electron beam welding yog ib qho yooj yim), tuaj yeem ua kom raug cov vuam vuam.
Ob lub hlau uas muaj cov khoom sib txawv ntawm lub cev (xws li kev sib txawv) tuaj yeem welded.
Tsis tas yuav tsum muaj lub tshuab nqus tsev lossis X-ray tiv thaiv.
Ceev ceev, qhov tob loj thiab me me deformation.
Yog tias vuam los ntawm perforation, qhov tob-rau-dav piv ntawm cov hlaws vuam tuaj yeem ncav cuag 10: 1.
Cov cuab yeej tuaj yeem hloov pauv kom xa cov nqaj laser mus rau ntau qhov chaw ua haujlwm.
Yam khoom
1. Max. 6, 000 watts ntawm laser zog
2. Vuam ceev mus txog 50 m / min
3. Chaw ua haujlwm 300 mm x 300 mm lossis customized
4. Laser wavelength 1.06 μm 5. Qhov loj me 0.2 hli - 2 hli
1. High-power laser system muaj peev xwm xa mus txog 200 joules ntawm lub zog
2. High-precision microscope thiab CCD lub koob yees duab system kom pom tseeb ntawm cov txheej txheem vuam
3. Tus neeg siv-phooj ywg tswj interface rau kev teeb tsa yooj yim thiab ua haujlwm
1. High-power laser system muaj peev xwm xa mus txog 200 watts ntawm lub zog laser
2. Fiber optic laser beam rau kev vuam zoo
3. High-precision scanning system kom raug vuam
4. Tsim los kho qhov chaw me me thiab cov vuam zoo
5. Nruab nrog lub tshuab ntsuas kom pom tseeb ntawm qhov chaw vuam
Quality Assurance
Guosheng Laser tau txais daim ntawv pov thawj ntawm ISO9001: 2015, ISO14001: 2015, ISO45001: 2018.
Kev Siv Technology
Guosheng Laser muaj cov peev txheej muaj zog, kev tshawb fawb ntau thiab kev txhim kho rog, kev siv tshuab ntau lawm, lub voj voog xa khoom sai, cov kev pabcuam yooj yim, muab cov neeg siv khoom nrog cov khoom siv thiab cov kev pabcuam.
Kev Pabcuam Cov Neeg Siv Khoom
Lub tuam txhab muab kev pabcuam zoo rau cov neeg siv khoom thiab kev txhawb nqa, ua kom yooj yim rau cov neeg siv khoom los daws cov teeb meem uas lawv muaj nrog cov khoom.
Qhov txawv thiab qhov zoo ntawm Laser Vuam Tshuab Thiab Laser Txias Vuam Tshuab
Qhov txawv ntawm txoj cai:
Lub hauv paus ntsiab lus ntawm ntau txoj haujlwm laser txias vuam tshuab yog siv lub charger capacitor kom tawm hauv lub sijhawm ntawm 10-3 rau 10-1 vib nas this thiab lub sijhawm luv luv ntawm 10-6 rau {{ 5}} vib nas this. Kev sib cuag ntawm cov khoom siv hluav taws xob thiab cov khoom ua haujlwm yuav raug rhuab mus rau 8000 degree ~ 10000 degree nyob rau hauv ib qho instant, thiab cov hlau molten nyob rau hauv lub xeev plasma hloov mus rau saum npoo ntawm lub workpiece nyob rau hauv ib tug metallurgical yam. Lub laser txias vuam tshuab feem ntau muaj lub luag haujlwm ntawm depositing, sealing, filling thiab lwm yam tsis xws luag nyob rau saum npoo ntawm hlau workpieces xws li hnav, khawb, pinholes, tawg, deformation, hardness txo, trachoma, puas thiab lwm yam tsis xws luag.
Lub tshuab laser vuam siv lub zog siab laser pulses kom sov cov khoom hauv ib cheeb tsam me me. Lub zog ntawm cov hluav taws xob laser diffuses rau sab hauv ntawm cov khoom siv los ntawm cov khoom siv hluav taws xob, thiab cov khoom yog melted los tsim ib lub pas dej ua ke tshwj xeeb kom ua tiav lub hom phiaj ntawm vuam. Raws li nws cov kev ua haujlwm hom Muab faib ua laser pwm vuam tshuab, tsis siv neeg laser vuam tshuab, laser chaw
Qhov txawv ntawm daim ntawv thov kev ua haujlwm:
Lub laser txias vuam tshuab feem ntau muaj lub luag haujlwm ntawm depositing, sealing, filling thiab lwm yam tsis xws luag nyob rau saum npoo ntawm hlau workpieces xws li hnav, khawb, pinholes, tawg, deformation, hardness txo, trachoma, puas thiab lwm yam tsis xws luag.
Laser vuam tshuab
Lub tshuab laser vuam yog tsuas yog tsom rau kev vuam ntawm cov ntaub ntawv nyias-walled thiab precision qhov chaw. Nws tuaj yeem paub qhov chaw vuam, taub qab vuam, plooj vuam, vuam vuam, thiab lwm yam. Tom qab vuam, lub substrate yuav tsis deformed, annealed, undercut los yog residual kev nyuaj siab, thiab nws cov hlau yuav tsis hloov. Lub xeev cov ntaub so ntswg, kho precision yog siab, txheej thickness yog los ntawm ob peb microns mus rau ob peb millimeters, thiab tsuas yog yuav tsum tau polished.
Laser Txias Vuam Tshuab Qhov Chaw thiab Kev Ua Haujlwm
Laser welding yog ib qho kev siv tau zoo thiab muaj tseeb uas siv lub tshuab hluav taws xob siab ceev laser raws li qhov cua sov. Nws yog ib qho ntawm cov kev siv tseem ceeb ntawm cov khoom siv laser ua tshuab.
Nyob rau xyoo 1970, laser welding feem ntau yog siv rau vuam cov ntaub ntawv nyias-walled thiab vuam qis. Cov txheej txheem welding belongs rau lub tshav kub conduction hom, uas yog, lub laser hluav taws xob heats lub nto ntawm ib feem thiab lub tshav kub ntawm qhov chaw diffuses nyob rau hauv lub tshav kub hloov lwm lub tsev. Los ntawm kev tswj tsis tau xws li laser mem tes dav, lub zog, ncov lub zog thiab rov ua dua zaus, qhov seem melts thiab tsim ib lub pas dej ua ke tshwj xeeb.
Vim nws qhov tshwj xeeb zoo, laser welding tau ua tiav rau qhov precision vuam ntawm micro thiab me me.
Lub tshuab ua tiav laser txias vuam tshuab feem ntau suav nrog tsib ntu.
Ntu I: Laser Welding Host
Lub laser welding party feem ntau tsim ib tug laser beam rau vuam thiab muaj xws li lub hwj chim mov, laser generator, optical txoj kev, tswj system thiab lwm yam khoom.
Qee qhov xwm txheej, cov tshuab hluav taws xob qis qis feem ntau yog muab tso rau hauv lub rooj ua haujlwm tsis siv neeg ntawm lub tshuab laser vuam.
Ntu II: Cua Txias System
Lub tshuab cua txias muab qhov ua haujlwm txias rau lub tshuab hluav taws xob laser, uas feem ntau nruab nrog 1 txog 5 HP dej ntws chiller.
Ntu Iii: Tsis Siv Neeg Laser Vuam Worktable lossis Motion System
★ Lub laser vuam system yog siv los paub txog qhov tsis siv neeg vuam ua haujlwm los ntawm kev txav cov nqaj laser raws li txoj kev vuam raws li qhov xav tau tshwj xeeb. Feem ntau muaj peb hom kev tswj kev txav chaw:
- Ib feem txav thiab lub taub hau laser yog tsau.
- Lub taub hau laser txav thiab qhov chaw yog tsau.
- Ob lub laser taub hau thiab ib feem txav.
Tag nrho cov txheej txheem suav nrog kev tswj xyuas cov lus tsa suab siv CNC programming los tswj kev txav ntawm lub rooj ua haujlwm raws li qhov yuav tsum tau ua. Lub programming yooj yim muaj ntau yam zoo, xws li kev ua haujlwm yooj yim, tsis tas yuav muaj kev tshaj lij thev naus laus zis lossis kev kawm, thiab kev txhawb nqa sai thiab nkag siab.
★ Cov tshuab countertop feem ntau ntawm kev ua lag luam suav nrog:
- Manipulator txav system;
- 2D rooj zaum;
- 3D workbench;
- Plaub-axis articulation lub rooj ntev zaum;
- Gantry vuam lub rooj zaum;
- Cantilever lub rooj ntev zaum, thiab lwm yam;
Ob leeg tuaj yeem paub meej kev tswj ntawm vuam txav.
Part Iv: Tool Attachment
Nyob rau hauv cov txheej txheem laser vuam, lub laser vuam fixture feem ntau yog ua hauj lwm los clamp lub welded ib feem thiab tso cai rau nws yuav tsum tau loaded, unloaded thiab positioned dua. Qhov no ua rau tsis siv neeg laser vuam ntau tswj tau.
Yog li ntawd, lub luminaire yog ib qho ntawm cov khoom siv tseem ceeb hauv laser vuam ntau lawm. Tshwj xeeb tshaj yog thaum lub sij hawm batch ntau lawm, tsim fixture tsim nyog yuav muaj kev cuam tshuam ncaj qha rau ntau lawm efficiency thiab yield.
Ntu V: Observation System
Feem ntau, lub laser txias vuam tshuab yuav tsum tau nruab nrog ib tug soj ntsuam system uas yuav ua tau tiag tiag-lub sij hawm soj ntsuam microscopic ntawm lub workpiece. Qhov kev soj ntsuam no yog siv los ua kom muaj qhov tseeb qhov chaw thaum muab cov kev pab cuam vuam thiab tshuaj xyuas cov nyhuv vuam thaum lub vuam txheej txheem.
Cov kev soj ntsuam ib txwm muaj xws li CCD zaub system lossis lub tshuab tsom.
Kev Siv Scenario ntawm Laser Txias Vuam Tshuab
Aerospace thiab Aviation:Laser txias vuam tshuab yog siv nyob rau hauv aerospace thiab aviation industries los kho los yog koom nrog nyias-walled Cheebtsam, xws li roj tso tsheb hlau luam, cav Cheebtsam, thiab hydraulic kab.
Automotive:Laser txias vuam tshuab yog siv nyob rau hauv kev lag luam tsheb los kho lossis koom nrog txhuas thiab lwm yam khoom tsis-ferrous, xws li roj txias, radiators, thiab cov kab sib kis.
Electronics:Laser txias vuam tshuab yog siv nyob rau hauv lub electronics kev lag luam rau daim ntawv cog lus Cheebtsam thiab nyob ntawm tej yam tsis siv cov cua sov los yog solder, uas yuav ua rau puas ilv khoom siv hluav taws xob.
Kev tsim cov hniav nyiaj hniav kub:Laser txias vuam tshuab yog siv nyob rau hauv cov hniav nyiaj hniav kub ua kev lag luam los koom nrog precious hlau yam tsis tau siv cov cua sov los yog solder, uas yuav ua rau puas cov hlau thiab lawv cov tiav.
Cov cuab yeej kho mob:Laser txias vuam tshuab yog siv nyob rau hauv kev tsim cov khoom siv kho mob, xws li cov cuab yeej phais thiab cov khoom cog, tsim kom muaj zog, meej, thiab biocompatible pob qij txha.
Kev Tshawb Fawb Thiab Kev Txhim Kho:Laser txias vuam tshuab yog siv rau hauv kev tshawb fawb thiab kev loj hlob los koom nrog cov hlau tsis muaj kev hloov kho lawv cov khoom, tso cai rau kev ntsuam xyuas meej thiab kev soj ntsuam ntawm cov khoom tus yam ntxwv.
Welding ntawm cov khoom sib txawv:Laser txias vuam tshuab tuaj yeem siv los koom nrog cov hlau sib txawv, xws li txhuas rau tooj liab lossis titanium rau stainless hlau, uas tuaj yeem nyuaj lossis tsis yooj yim rau vuam siv cov txheej txheem ib txwm muaj.
8 Cov Lus Qhia Txog Kev Kho Mob rau Laser Txias Vuam Tshuab
Optics Ntxuav:Cov lo ntsiab muag thiab tsom iav hauv koj lub tshuab laser txias vuam yog qhov tseem ceeb rau kev coj thiab tsom rau lub teeb laser. Plua plav, khib nyiab, thiab cov khoom seem tuaj yeem cuam tshuam rau lub nqaj zoo thiab, yog li, qhov vuam qhov precision.
Teem caij ntxuav:Tsim ib lub sijhawm tu raws li kev siv. Rau qhov chaw siv siab, kev tu txhua hnub lossis txhua lub limtiam yuav tsim nyog. Rau kev siv tsawg zaus, daim tshev txhua hli yuav txaus. Siv cov tshuaj ntxuav lo ntsiab muag thiab cov ntaub so tsis muaj lint los ntxuav qhov muag kom zoo. Ib txwm ua raws li cov chaw tsim khoom cov lus pom zoo rau kev ntxuav cov khoom thiab cov txheej txheem.
Kev tshuaj xyuas:Tsis tu ncua soj ntsuam optics rau cov cim ntawm hnav lossis puas. Cracks, discoloration, los yog coatings tev tawm tuaj yeem qhia txog cov teeb meem uas yuav tsum tau daws. Hloov kho qhov muag puas sai sai kom tsis txhob cuam tshuam lub tshuab ua haujlwm.
Qhov tseem ceeb ntawm qhov system txias:Lub tshuab cua txias tiv thaiv overheating ntawm laser qhov chaw thiab lwm yam khoom, uas yog ib qho tseem ceeb rau kev tswj kom zoo ib yam thiab tsis txhob puas.
Tshawb xyuas cov qib Coolant:Tsis tu ncua xyuas cov qib coolant thiab sau raws li xav tau. Tsawg coolant theem tuaj yeem ua rau overheating thiab muaj peev xwm puas tsuaj.
Tshawb nrhiav Leaks:Tshawb nrhiav cov cim qhia ntawm cov dej xau nyob ib ncig ntawm lub tshuab ua kom txias. Chaw nyob xau tam sim los tiv thaiv kev puas tsuaj thiab ua kom muaj cua txias zoo.
Ntxuav thiab hloov cov lim dej:Ntau lub tshuab cua txias muaj cov ntxaij lim dej uas xav tau kev tu lossis hloov pauv. Tshawb xyuas cov chaw tsim khoom cov lus qhia rau lub sijhawm tu kom pom zoo.
Kev ntsuas kub ntsuas:Khaws lub qhov muag ntawm qhov ntsuas kub thiab lub tswb. Txhua qhov ntsuas kub tsis txawv txav yuav tsum tau tshawb xyuas tam sim kom tsis txhob muaj cua sov.
Laser Source Alignment:Kev sib raug zoo ntawm laser qhov chaw yog qhov tseem ceeb rau qhov zoo sib xws. Tsis tu ncua xyuas thiab kho cov kev sib raug zoo raws li cov chaw tsim khoom tshwj xeeb. Misalignment tuaj yeem ua rau cov welds tsis zoo thiab ua rau muaj qhov hnyav ntxiv.
Tshawb xyuas thiab Hloov Cov Cheeb Tsam:Laser qhov chaw muaj cov khoom xws li flashlamps, diodes, thiab tsom iav uas tej zaum yuav xav tau kev hloov ib ntus. Ua raws li cov chaw tsim khoom cov lus pom zoo rau kev hloov lub sijhawm thiab cov txheej txheem.
Check Power Supply:Xyuas kom meej tias lub hwj chim muab rau lub laser qhov chaw yog ruaj khov thiab nyob rau hauv lub teev ntau yam. Kev hloov pauv lossis teeb meem ntawm lub zog tuaj yeem cuam tshuam rau kev ua haujlwm ntawm laser qhov chaw.
Software hloov tshiab:Khaws lub tshuab lub software mus txog hnub kom tau txais txiaj ntsig los ntawm kev txhim kho kev ua haujlwm thiab cov yam ntxwv tshiab. Tsis tu ncua xyuas qhov hloov tshiab los ntawm cov chaw tsim khoom thiab nruab lawv raws li xav tau.
Tshawb xyuas cov kab hluav taws xob thiab kev sib txuas:Tsis tu ncua tshuaj xyuas cov xaim thiab kev sib txuas hauv qhov kev tswj xyuas kom pom cov cim ntawm kev hnav lossis kev puas tsuaj. Cov xov hlau xoob los yog frayed tuaj yeem ua rau tsis ua haujlwm lossis ua yuam kev.
Thaub qab thiab Restore:Ib ntus thaub qab koj lub tshuab teeb tsa thiab teeb tsa. Hauv qhov xwm txheej ntawm qhov system tsis ua haujlwm, muaj kev thaub qab tuaj yeem txuag lub sijhawm thiab tiv thaiv kev cuam tshuam.
Kev tshem tawm cov khib nyiab:Khaws lub rooj ua haujlwm kom huv si thiab tsis muaj cov khib nyiab, xws li hlau shavings lossis plua plav, uas tuaj yeem cuam tshuam qhov zoo ntawm cov vuam thiab ua rau lub tshuab puas.
Tshawb xyuas rau Hnav thiab Tear:Kev tshuaj xyuas lub rooj ua haujlwm tsis tu ncua kom pom tias hnav lossis puas. Hais txog txhua yam teeb meem tam sim ntawd kom tsis txhob cuam tshuam lub tshuab qhov raug thiab kev ua haujlwm.
Kev sib tw:Xyuas kom lub worktable yog zoo aligned thiab calibrated. Misalignment tuaj yeem ua rau cov welds tsis sib xws thiab muaj peev xwm ua rau lub tshuab puas tsuaj.
Lubrication:Laser txias vuam tshuab muaj qhov txav xws li cov ntsia hlau, lub zog, thiab cov kabmob uas yuav tsum tau lubrication. Kev lubrication kom zoo txo kev sib txhuam thiab hnav, ua kom muaj kev ua haujlwm zoo.
Lub Sijhawm Lubrication:Ua raws li cov chaw tsim khoom cov lus pom zoo rau lub sijhawm lubrication thiab hom lubricants. Kev siv roj ntau dhau lossis siv cov roj nplua nyeem tsis raug tuaj yeem ua rau muaj teeb meem, yog li ua kom meej meej hauv koj daim ntawv thov.
Tshawb nrhiav Leaks:Tshawb xyuas cov cim qhia ntawm lubricant leaks lossis buildup, uas tuaj yeem cuam tshuam rau lub tshuab ua haujlwm. Ntxuav cov roj nplua nyeem ntau dhau thiab xyuas kom muaj kev thov kom raug.
Teem sijhawm Maintenance:Tsim thiab ua raws li lub sijhawm tiv thaiv kev tiv thaiv raws li cov chaw tsim khoom cov lus pom zoo thiab koj lub tshuab siv. Kev saib xyuas tsis tu ncua pab txheeb xyuas thiab daws cov teeb meem muaj peev xwm ua ntej lawv dhau los ua teeb meem loj.
Kev khaws cia:Khaws cov ntaub ntawv ntxaws ntxaws ntawm txhua yam haujlwm tu, suav nrog kev tu, tshuaj xyuas, thiab kho. Cov ntaub ntawv no pab taug qab lub tshuab qhov xwm txheej thiab tuaj yeem muaj txiaj ntsig rau kev daws teeb meem thiab kev npaj saib xyuas yav tom ntej.
Kev cob qhia:Xyuas kom meej tias txhua tus neeg ua haujlwm thiab cov neeg ua haujlwm tu tau txais kev cob qhia txaus hauv lub tshuab cov txheej txheem tu. Kev cob qhia kom raug txo qhov kev pheej hmoo ntawm kev ua yuam kev thiab txhim kho kev saib xyuas tag nrho.
Beam Quality Teeb meem:Yog tias koj pom cov teeb meem ntawm qhov zoo ntawm lub laser beam, xws li cov welds tsis sib xws los yog kev ua haujlwm tsis zoo, xyuas cov khoom siv kho qhov muag, kev sib dhos, thiab cov cua txias. Cov Cheebtsam no feem ntau cuam tshuam rau beam zoo.
Overheating:Cov teeb meem overheating tas mus li yuav qhia tau tias muaj teeb meem nrog lub tshuab txias lossis qhov tsis sib xws hauv lub tshuab ua haujlwm. Hais txog cov qib coolant, leaks, thiab system kev ua tau zoo los daws cov teeb meem overheating.
System yuam kev:Yog tias lub kaw lus tswj tau pom qhov ua yuam kev lossis ua haujlwm tsis zoo, sab laj nrog cov chaw tsim khoom cov lus qhia daws teeb meem. Txheeb xyuas cov kab hluav taws xob, software, thiab lub zog hluav taws xob raws li qhov ua tau.
Peb lub Hoobkas
Xi'an Guosheng Laser Technology Co., Ltd. yog ib lub tuam txhab high-tech tshwj xeeb hauv R & D, tsim thiab muag ntawm cov tshuab laser tsis siv neeg cladding, high-speed laser cladding tshuab, laser hardening tshuab, laser vuam tshuab, laser tu tshuab thiab laser 3D tshuab luam ntawv. Xi'an Guosheng Laser Technology Co., Ltd. tau tsim muaj nyob rau xyoo 2015 (Nws yog tus tswv lag luam tag nrho: Shaanxi Guosheng Laser Technology Co., LTD.). Guosheng Laser tau tsim Xi'an Aerospace R & D thiab Tsim Chaw, Weinan Ntau Lawm Base thiab Xianyang Ntau Lawm Base. Lub tuam txhab ua haujlwm thaj tsam ntawm 2,000 m2, cov neeg ua haujlwm kom muaj nuj nqis yog 30, suav nrog 5 tus neeg ua haujlwm tshawb fawb thiab cov kws tshaj lij, uas muaj peev xwm muab cov kev daws teeb meem tiav rau laser additive manufacturing technology nrog cov qauv kev sib xyaw thiab muaj nuj nqi.
Peb Daim Ntawv Pov Thawj
Guosheng Laser tau txais daim ntawv pov thawj ntawm ISO9001: 2015, ISO14001: 2015, ISO45001: 2018.
Nug cov lus nug
Cim npe nrov: Tuam Tshoj laser txias vuam tshuab manufacturers, lwm tus neeg, Hoobkas
