
2026-09-11
An zitsulo zopangira mchenga za aluminiyamu ndi malo apadera opangira zinthu zomwe zimapanga zida zachitsulo pothira aluminiyumu yosungunuka mu nkhungu zopangidwa kuchokera ku mchenga woumbidwa. Monga woyamba wopanga OEM ndi ogulitsa, timapereka mayankho kumapeto kwa ma geometries ovuta, kupanga ma voliyumu apamwamba, komanso zofunikira zololera. Njira zathu zimaphatikizira kupanga mapangidwe apamwamba, kusankha kolondola kwa aloyi, ndikuwongolera mosamalitsa kuti tipereke zida zolimba, zotsika mtengo zamagalimoto, zakuthambo, ndi makina amakina. Bukuli limafotokoza za luso laukadaulo, kayendetsedwe ka ntchito, komanso maubwino ogwirira ntchito limodzi ndi akatswiri opanga mchenga wa aluminiyamu mu 2026.
Malo opangira mchenga wa aluminiyumu amagwira ntchito pamzere wa sayansi yazitsulo ndi uinjiniya wolondola. Mosiyana ndi nkhungu yosatha kapena kuyikapo mchenga, kuponya mchenga kumagwiritsa ntchito nkhungu zomwe zimatha kutha nthawi kuti apange gawo lomaliza. Njirayi ndiyothandiza makamaka popanga zigawo zazikulu, zovuta, kapena zotsika mpaka zapakati pomwe mtengo wa zida zopangira zida zowotchera umakhala wocheperako.
Ntchito yayikulu ya mazikowo ndikusintha ma aluminiyamu aiwisi aloyi kukhala zida zogwirira ntchito. Njirayi imadalira kupanga mawonekedwe olakwika a gawolo mkati mwa mchenga wosakaniza, womwe umadzazidwa ndi aluminiyumu yosungunuka yotenthedwa kufika pafupifupi 700 ° C mpaka 750 ° C. Chitsulocho chikalimba, nkhungu yamchenga imathyoledwa, kuwululira gawo lotayidwa.
Mu 2026, zoyambira zamakono zidasintha kuposa njira zamabuku azikhalidwe. Timagwiritsa ntchito mizere yopangira makina, makina opangidwa ndi makompyuta (CAD) kuti akwaniritse bwino mawonekedwe, ndi pulogalamu yoyeserera kulosera za kudzazidwa ndi kuziziritsa. Kuphatikizana kwaukadaulo uku kumawonetsetsa kuti gawo lililonse likukwaniritsa miyezo yapadziko lonse lapansi, kuphatikiza ISO 9001 ndi IATF 16949 pamagalimoto.
Kumvetsetsa kayendetsedwe ka ntchito kopanga ndikofunikira kwa mainjiniya ndi akatswiri ogula zinthu omwe amawunika ogulitsa. Njira yoponyera mchenga wa aluminiyumu ndi ntchito yamitundu yambiri yomwe imafuna kuwongolera molondola pa sitepe iliyonse kuti zitsimikizire kulondola kwazithunzi komanso kukhulupirika kwadongosolo.
Njirayi imayamba ndi kupanga chojambula, chofanana ndi gawo lomaliza lomwe limagwiritsidwa ntchito kupanga nkhungu yamchenga. M'malo athu, mapangidwe amapangidwa kuchokera kumatabwa, pulasitiki, kapena zitsulo, malingana ndi kuchuluka kwa kupanga. Pogwiritsa ntchito ukadaulo wosindikizira wa 3D, titha kufananiza mwachangu pamapangidwe kuti titsimikizidwe tisanagwiritse ntchito zida zolimba.
Mfundo zazikuluzikulu panthawiyi ndi izi:
Ndondomekoyo ikakonzeka, kuumba kumayamba. Mchenga wa silika wapamwamba kwambiri umasakanizidwa ndi zinthu zomangira, monga dongo (mu mchenga wobiriwira) kapena utomoni wamankhwala (wosaphika kapena kuumba zipolopolo). Mchengawo umapangidwa mozungulira pateni kuti upange nkhungu yolimba.
Kwa magawo omwe ali ndi mawonekedwe amkati, monga midadada ya injini kapena nyumba zopopera, mitima zofunika. Ma Cores ndi mawonekedwe a mchenga osiyana omwe amalowetsedwa mu nkhungu kuti apange zigawo zopanda kanthu. Zopangira zamakono zimagwiritsa ntchito makina owombera ozizira kapena otentha-bokosi kuti apange ma cores okhala ndi kukhazikika kwapamwamba komanso kumaliza kosalala.
Aluminiyamu ingots ndi zidutswa zimasungunuka mu induction kapena ng'anjo za gasi. Kuwongolera kutentha ndikofunikira; Kutentha kwambiri kungayambitse kuyamwa kwa gasi ndi porosity, pamene kutentha pang'ono kumabweretsa kuchepa kwa madzi komanso kudzaza kosakwanira.
Asanatsanule, aluminiyumu yosungunuka imathandizidwa:
Chitsulo chogwiritsidwa ntchito chimatsanuliridwa mu nkhungu kudzera mu njira yolowera. Makina otsatsira amadzimadzi amatsimikizira kusinthasintha kwamayendedwe ndi kutentha, kuchepetsa zolakwika za anthu ndi kusinthasintha.
Pambuyo pa kutsanulira, nkhungu imaloledwa kuziziritsa mpaka aluminiyumu itakhazikika kwathunthu. Nthawi yoziziritsa imadalira makulidwe a khoma la gawolo ndi zovuta zake. Akalimba, nkhunguyo imathyoledwa m'malo ogwedeza. Mchenga umatengedwanso, kukonzedwa, ndi kugwiritsidwanso ntchito, mogwirizana ndi njira zokhazikika zopangira.
Kuponyera kwaiwisi, komwe kumadziwika kuti "shakeout," kumakhala ndi zinthu zambiri monga zipata, zokwera, ndi zowala. Izi zimachotsedwa pogwiritsa ntchito kudula, kugaya, kapena kuwombera. Kuphulika kwa kuwombera kumayeretsanso pamwamba, kuchotsa mchenga wotsalira ndi oxide zigawo, kukonzekera gawolo kuti liwonedwe kapena kukonzanso makina.
Sikuti njira zonse zopangira mchenga ndizofanana. Kusankha njira yoyenera kumatengera zovuta za gawolo, kumaliza kofunikira, komanso kuchuluka kwa kupanga. Monga opanga osunthika a OEM, timagwiritsa ntchito njira zitatu zoyambirira zoponyera mchenga.
| Kuponya Njira | Bonding Agent | Pamwamba Pamwamba | Dimensional Tolerance | Zabwino Kwambiri |
|---|---|---|---|---|
| Green Sand Casting | Dongo ndi Madzi | Zovuta (Ra 6.3–12.5 μm) | ± 0.5 mm mpaka ± 1.0 mm | Kupanga kwamphamvu kwambiri, zida zotsika mtengo, mabatani agalimoto. |
| No-Bake (Air-Set) Casting | Chemical Resins | Zosalala (Ra 3.2–6.3 μm) | ± 0.3 mm mpaka ± 0.8 mm | Zigawo zazikulu, zovuta, zotsika mpaka zapakatikati, zida zamakina olemera. |
| Kujambula kwa Shell | Thermosetting Resin | Wosalala Kwambiri (Ra 1.6–3.2 μm) | ± 0.2 mm mpaka ± 0.5 mm | Zigawo zolondola, makoma owonda, ma geometri odabwitsa, matupi a valve. |
Kuponyera mchenga wobiriwira ndi njira yodziwika kwambiri chifukwa cha mtengo wake komanso liwiro. Mawu akuti “wobiriwira” amatanthauza chinyezi chomwe chili mumchenga, osati mtundu wake. Njirayi imalola kupanga nkhungu mofulumira ndipo ndi yabwino kwa kuthamanga kwapamwamba kumene kulondola kwambiri sikuli chopinga chachikulu. Amagwiritsidwa ntchito kwambiri ngati midadada yama injini zamagalimoto, mabwalo otumizira, ndi mabulaketi apangidwe.
Kuponyera kosaphika kumagwiritsa ntchito zomangira za mankhwala zomwe zimawumitsa kutentha kwapakati. Izi zimathetsa kufunika kophika ma uvuni, zomwe zimapangitsa kuti pakhale nkhungu zazikulu kwambiri zomwe sizingakhale zogwira ntchito mumchenga wobiriwira. Zomwe zimapangidwira zimakhala zolimba kwambiri, zomwe zimapereka kulondola kwazithunzi komanso malo osalala. Njirayi imakondedwa ndi mapampu akuluakulu ogulitsa mafakitale, nyumba zopangira compressor, ndi zida zam'madzi.
Kuumba zipolopolo kumaphatikizapo kupaka chitsulo chotenthetsera ndi utomoni wa mchenga kuti upange chigoba chopyapyala cholimba. Magawo awiri amalumikizana kuti apange nkhungu. Izi zimabweretsa kutha kwapamwamba komanso kulolerana kolimba, kumachepetsa kufunika kwa makina achiwiri. Ndi yabwino kuzigawo zing'onozing'ono, zovuta kumva ngati zida zamfuti, ma hydraulic valve matupi, ndi zotengera zakuthambo.
Aluminiyamu ndiye chitsulo chomwe chimakondedwa kwambiri poponya mchenga m'mafakitale ambiri chifukwa cha kuphatikiza kwake kwachilengedwe komanso chuma. Kumvetsetsa zopindulitsa izi kumathandiza mainjiniya kulungamitsa kusankha zinthu pamagawo awo opanga.
Aluminiyamu alloys amapereka kwambiri kulemera kwa ndalama poyerekeza ndi chitsulo kapena chitsulo, popanda kupereka nsembe kukhulupirika kwapangidwe. Izi ndizofunikira kwambiri pakugwiritsa ntchito magalimoto ndi ndege pomwe kuchepetsa kuchuluka kumapangitsa kuti mafuta azigwira bwino ntchito. Kuponyedwa kwa mchenga kumapangitsa kuti pakhale zopangira zokongoletsedwa bwino, zopepuka zokhala ndi nthiti ndi makoma opyapyala omwe angakhale ovuta kupanga makina kuchokera ku ma billets olimba.
Zigawo za oxide zachilengedwe pa aluminiyamu zimapereka kukana kwachilengedwe ku dzimbiri. Kwa ntchito zakunja kapena zam'madzi, zopangira mchenga wa aluminiyamu nthawi zambiri zimafuna zokutira zocheperako, kuchepetsa ndalama zolipirira nthawi yayitali. Ma alloys ngati A356 amatha kupitilizidwanso ndi anodizing kapena zokutira zaufa kumalo ankhanza.
Aluminiyamu imachotsa kutentha bwino, ndikupangitsa kuti ikhale yabwino pazigawo za injini, zoyikira kutentha, ndi nyumba zamagetsi. Kuponyedwa kwa mchenga kumalola kuphatikizika kwa zipsepse zoziziritsa ndi zovuta zamkati zamkati molunjika mu gawo la geometry, kukulitsa mphamvu zowongolera kutentha.
Poyerekeza ndi kuponyera kufa, ndalama zopangira mchenga ndizotsika kwambiri. Palibe chifukwa mtengo wachitsulo umafa wokhoza kupirira jekeseni wapamwamba kwambiri. Izi zimapangitsa kuti mchenga ukhale wopindulitsa pakupanga zinthu zotsika mpaka zapakatikati komanso mbali zazikulu zomwe makina oponyera makufa sangakhale osakwanira.
Kudalirika popanga zinthu kumamangidwa pa chitsimikizo chaubwino kwambiri. Monga maziko a ISO-certified, timakhazikitsa ma protocol oyendera masitepe ambiri kuti gulu lililonse likwaniritse zomwe kasitomala akufuna. Mu 2026, kuwongolera kwapamwamba kwadutsa kupitilira macheke ang'onoang'ono owoneka bwino mpaka kutsimikizira kwa digito.
Timagwiritsa ntchito njira zosiyanasiyana za NDT kuti tizindikire zolakwika zamkati ndi zamkati popanda kuwononga gawolo:
Kutentha kulikonse kwa aluminiyumu kumayesedwa ngati makina amagwirira ntchito. Mayeso okhazikika ndi awa:
Coordinate Measuring Machines (CMM) amagwiritsidwa ntchito kutsimikizira miyeso yovuta motsutsana ndi mitundu ya CAD. Izi zimatsimikizira kuti zigawozo zikugwirizana bwino mumizere yophatikizira. Malipoti a First Article Inspection (FAI) amaperekedwa pama projekiti atsopano, akulemba miyeso yonse yofunika komanso momwe akumvera.
Ngakhale ndi njira zapamwamba, zolakwika zimatha kuchitika. Woyambitsa wodziwa bwino amadzisiyanitsa poneneratu, kupewa, ndi kukonza zinthu izi. Pansipa pali zovuta zomwe wamba komanso mayankho athu a uinjiniya.
Chifukwa: Mpweya wotsekeka panthawi yothira kapena mpweya wa haidrojeni wotuluka mumchenga wonyowa kapena kusungunuka kodetsedwa.
Yankho: Timagwiritsa ntchito kusungunula mwamphamvu kwambiri pogwiritsa ntchito argon kapena nitrogen rotary impellers. Kuchuluka kwa chinyezi chamchenga kumawunikidwa mosamalitsa, ndipo njira zolowera pakhomo zimapangidwira kuti zichepetse chipwirikiti.
Chifukwa: Aluminium imagwirizanitsa kwambiri pakulimbitsa. Ngati chitsulo chamadzimadzi sichingathe kudyetsa malo omwe akucheperachepera, voids amapanga.
Yankho: Kuyika kwabwino kwa zokwera ndi kuzizira. Mapulogalamu oyerekeza amalosera malo otentha, zomwe zimatilola kukhathamiritsa njira yodyetsera isanayambe kupanga.
Chifukwa: Kukokoloka kwa nkhungu mchenga ndi kuyenda zitsulo, kutsogolera ku mchenga particles ophatikizidwa mu kuponyera.
Yankho: Kugwiritsa ntchito zomangira zamchenga zamphamvu kwambiri komanso kapangidwe koyenera kolowera kuti muchepetse kuthamanga kwachitsulo. Kuwunika pafupipafupi kwa mchenga wobwezeretsedwa kumatsimikizira kukula kwambewu ndi mphamvu.
Chifukwa: Chitsulo chosungunula chimazizira kwambiri chisanadzaze nkhungu, zomwe zimapangitsa kuti pakhale mbali zosakwanira kapena mizere yowonekera.
Yankho: Kukhathamiritsa kwa kuthira kutentha ndi liwiro. Kutentha koyambirira kwa nkhungu m'malo ozizira komanso kuwonetsetsa kuti mpweya umakhala wokwanira kuti mpweya utuluke.
Kuponyedwa kwa mchenga wa aluminium kuli paliponse m'makampani amakono. Kusinthasintha kwawo kumathandizira ntchito zosiyanasiyana, kuchokera ku katundu wogula kupita kuzinthu zolemetsa.
Kuyendetsa magalimoto amagetsi (EVs) kwachulukitsa kufunikira kwa zigawo zopepuka za aluminiyamu. Kuponyedwa kwa mchenga kumagwiritsidwa ntchito:
Miyezo yolimba komanso yotetezeka imapangitsa kuti kuponya mchenga kwa aluminiyamu kukhala koyenera kwazamlengalenga. Mapulogalamuwa akuphatikiza:
Zipangizo zolemera kwambiri zimadalira ma castings okhazikika:
Kulimbana ndi dzimbiri ndikofunikira kwambiri m'malo am'madzi. Aluminiyamu mchenga amagwiritsidwa ntchito pa:
Kusankha bwenzi la OEM ndi chisankho chanzeru. Kupeza koyenera kumakhudza mtundu wazinthu, nthawi ndi msika, komanso mtengo wathunthu wa umwini. Nazi mfundo zofunika kuziganizira.
Yang'anani ogulitsa omwe amapereka ndemanga za Design for Manufacturability (DFM). Wothandizana naye mwachangu adzasanthula mafayilo anu a CAD kuti afotokoze zosintha zomwe zimachepetsa mtengo ndikusintha mtundu, monga kusintha makulidwe a khoma kapena kuwonjezera ma ngodya.
Onetsetsani kuti mazikowo amatha kukwaniritsa zofunikira zanu. Kaya mukufuna ma prototypes 50 kapena mayunitsi 50,000 apachaka, wogulitsa ayenera kukhala ndi mizere yowumba ndi ogwira ntchito kuti akwaniritse. Kusinthasintha pakusankha aloyi ndi ntchito zokonzanso pambuyo pake ndizofunikiranso.
Tsimikizirani ziphaso zogwirizana ndi bizinesi yanu. ISO 9001 ndiyokhazikika, koma IATF 16949 ndiyofunikira kwa ogulitsa magalimoto. Funsani za njira zawo zotsatirira-kodi atha kutsata gulu linalake la zoponya kumbuyo komwe kumasungunuka koyambirira komanso komwe kumachokera?
Njira zoyankhulirana zomveka bwino komanso nthawi zotsogola zenizeni ndizofunikira kwambiri pakukhazikika kwa chain chain. Unikani kuyankha kwawo pagawo logwira mawu. Wopereka katundu yemwe amapereka mwatsatanetsatane, mawu omveka bwino okhala ndi zida zomveka bwino, zida, ndi mtengo wokonza atha kukhala mnzake wodalirika wanthawi yayitali.
MOQ imasiyana malinga ndi zovuta za polojekiti komanso mtengo wake. Kwa prototyping, titha kupanga mayunitsi amodzi pogwiritsa ntchito mawonekedwe osindikizidwa a 3D. Pakupanga, ma MOQ wamba amayambira pa 50-100 zidutswa kuti achepetse ndalama zogwiritsira ntchito zida. Komabe, kuponya mchenga wobiriwira kumalola ma MOQ otsika poyerekeza ndi kuponyera kufa chifukwa cha zida zotsika mtengo.
Kuponya mchenga kumawononga ndalama zambiri pama voliyumu otsika mpaka apakatikati komanso zigawo zazikulu. Ili ndi ndalama zotsika mtengo koma nthawi yozungulira pang'onopang'ono. Die casting ndi yabwino pazigawo zokulirapo, zazing'ono mpaka zapakati zomwe zimafuna kulolerana molimba komanso malo osalala, koma zimatengera mtengo woyambira wachitsulo. Kuponyera mchenga kumathandizanso kuti pakhale nyimbo zambiri za alloy.
Kulekerera kokhazikika kumachokera ku ± 0.5 mm mpaka ± 1.5 mm, kutengera kukula kwa gawo ndi njira yoponyera. Kupanga zipolopolo kumatha kupirira zolimba za ± 0.2 mm. Zofunikira zimatha kusinthidwa kuti zitsimikizike bwino pambuyo poponya.
Inde, timapereka ntchito zamakina ophatikizika a CNC. Izi zimawonetsetsa kuti malo ovuta, mabowo a bawuti, ndi malo osindikizira amakwaniritsa zofunikira zenizeni. Kuphatikiza kuponyera ndi makina pansi pa denga limodzi kumachepetsa ndalama zogulira komanso nthawi yotsogolera.
A356 ndiye aloyi yodziwika bwino chifukwa cha kuthekera kwake, mphamvu, komanso kutentha kwake. A319 imagwiritsidwa ntchito pakutentha kwambiri ngati mitu ya silinda. A380 sipezeka poponya mchenga koma imagwiritsidwa ntchito ngati pakufunika madzi ochulukirapo. Tikhozanso kusintha ma alloys potengera zomwe makasitomala amafuna.
Kupanga kwachitsanzo ndi koyambira bokosi nthawi zambiri kumatenga masabata 2-4, kutengera zovuta. Kwa mapulojekiti achangu, kujambula mwachangu ndi kusindikiza kwa 3D kumatha kuchepetsa izi mpaka masabata 1-2. Zopangira zopangira zothamanga kwambiri zimatha kutenga nthawi yayitali chifukwa cha kulondola komwe kumafunikira pakupangira zitsulo.
Kuti muwonjezere phindu la kuponya mchenga wa aluminiyamu, okonza ayenera kutsatira mfundo zina. Malangizowa amathandizira kuchepetsa zolakwika ndikuchepetsa ndalama zopangira.
Onetsetsani kuti makulidwe a khoma lofanana kuti mutsimikizire kuti kuziziritsa kumakhala kofanana. Kusintha kwadzidzidzi mu makulidwe kungayambitse shrinkage porosity ndi kupsinjika maganizo. Ngati kusintha kuli kofunikira, gwiritsani ntchito kusintha kwapang'onopang'ono kapena nthiti kuti muthandizire zigawo zoonda.
Pewani ngodya zakuthwa. Makona amkati ayenera kukhala ndi radiyo wofanana ndi gawo limodzi mwa magawo atatu a makulidwe a khoma. Ngodya zakuthwa zimakhala ngati zokweza kupsinjika ndipo zimatha kuyambitsa kusweka pakuzizira kapena ntchito. Ziphuphu zimathandizanso kuyenda kwachitsulo ndikuchepetsa kukokoloka kwa nkhungu yamchenga.
Phatikizani ma angles owongolera pamalo onse ofukula omwe ali ofanana ndi komwe amachotsa nkhungu. Madigiri osachepera 1-2 akulimbikitsidwa. Izi zimalepheretsa kuwonongeka kwa nkhungu panthawi yochotsa chitsanzo ndikuonetsetsa kuti malo oponyera bwino apangidwe.
Pangani gawolo kuti mzere wolekanitsa (kumene zigawo ziwiri za nkhungu zimakumana) zimakhala pa ndege yathyathyathya kapena pamapindikira osavuta. Pewani kuyika miyeso yovuta kudutsa mzere wolekanitsa, chifukwa kusanja pang'ono kumatha kusokoneza kulolerana.
Mu 2026, udindo wa chilengedwe ndi gawo lofunikira pakupanga bwino. Kampani yathu imagwiritsa ntchito njira zingapo zokhazikika kuti zichepetse kuwonongeka kwa chilengedwe.
Ngakhale bukhuli likuyang'ana kwambiri pakuponyera mchenga wa aluminiyamu, ndikofunikira kuzindikira kuti zinthu zopanga zachilengedwe nthawi zambiri zimafunikira luso lambiri. Malingaliro a kampani Qingdao Qiangsenyuan Technology Co., Ltd. Zimapereka chitsanzo cha njira yonseyi. Pokhala ndi zaka zopitilira 30 pamakampani opanga ndi kupanga makina, QSY yadzikhazikitsa ngati mtsogoleri wapadziko lonse lapansi popereka ntchito zopangira makina opangira makina.
Kugwira ntchito kuchokera ku msonkhano waukulu wopanga zinthu zokwana masikweya mita 50,000, QSY imaphatikiza mizere yopangira zida zapamwamba zingapo, kuphatikiza kuponya nkhungu, kuyika ndalama (kutaya sera), ndi makina apamwamba kwambiri a CNC. Ngakhale kuti aluminiyamu ndi chisankho chodziwika bwino, luso la QSY limafikira kuzinthu zosiyanasiyana, kuphatikizapo chitsulo, chitsulo, chitsulo chosapanga dzimbiri, ndi ma alloys apadera apamwamba monga cobalt-based ndi nickel-based superalloys. Kusinthasintha kwazinthu izi kumawathandiza kuti azigwira ntchito m'magawo ovuta monga makina aulimi, zida zamankhwala ndi zopangira chakudya, zomangamanga zamafakitale, migodi, ndi mafuta a petrochemicals.
Kudzipereka kwa QSY pazabwino kumawonekera m'misonkhano yawo yodzipatulira yowunikira komanso kuyika, kuwonetsetsa kuti gawo lililonse likukwaniritsa miyezo yapadziko lonse lapansi. Pogwirizana bwino ndi makasitomala m'maiko opitilira 20, QSY ikuwonetsa momwe opangira okhwima amaphatikizira zaluso zamaluso ndi luso lamakono kuti apereke magawo olondola m'mafakitale osiyanasiyana.
Kuponyera mchenga wa aluminiyamu kumakhalabe mwala wapangodya wamakono opanga, kumapereka kusinthasintha kosayerekezeka kwa kusinthasintha kwapangidwe, kachitidwe ka makina, ndi kuwononga ndalama. Monga opanga ndi ogulitsa odziwa zambiri a OEM, tadzipereka kupereka zowonetsera zapamwamba kwambiri zomwe zimakwaniritsa zofuna zamakampani apadziko lonse lapansi. Kuyambira pakukambirana koyambirira mpaka kuunika komaliza, njira yathu yophatikizira imatsimikizira kuti zigawo zanu zimapangidwa mwapamwamba kwambiri.
Kaya mukupanga gawo latsopano lamagalimoto, kukweza makina akumafakitale, kapena kupeza magawo ogwiritsira ntchito zakuthambo, ukadaulo wathu pakuponya mchenga wa aluminiyamu umapereka kudalirika komanso kulondola komwe mukufuna. Timaphatikiza luso lakale ndiukadaulo wapamwamba kwambiri kuti tithane ndi zovuta zaukadaulo.
Kodi mwakonzeka kuyambitsa pulojekiti yotsatira?
Lumikizanani ndi gulu lathu laumisiri lero kuti muwunikenso zambiri za DFM komanso mawu ampikisano. Tiloleni tikuthandizeni kukhathamiritsa kapangidwe kanu kapangidwe kanu ndikupereka ma aluminiyamu apamwamba kwambiri munthawi yake komanso mkati mwa bajeti.