DOOSAN DX700 / DX800 K1051204 Roller Assembly yeTrack Carrier / Upper Roller Group – CQC: Mutengesi weChassis Components neMugadziri weHeavy Duty Mining and Construction

1. Kuzivikanwa Kwechigadzirwa: IyoDOOSAN K1051204 Muchina wekutakura zvinhu zvinofamba netsokayeVacheri Vakuru Zvikuru

IyoDOOSAN K1051204 Muchina wekutakura zvinhu zvinofamba netsoka, inozivikanwawo seUpper Roller Group, imhando yechassis yakagadzirwa nemazvo yakagadzirirwa maDOOSAN DX700 neDX800 series crawler excavators - michina mikuru uye ine simba kupfuura mimwe yose muDoosan's hydraulic excavator range. Aya ma excavators anorema zvikuru akavakirwa munzvimbo dzinonyanya kuoma mumigodhi mikuru, kuchera matongo, kuvaka zvinhu zvinorema, uye mapurojekiti ezvivakwa pasi rese, uko kugara kwenguva refu kwemotokari pasi pemotokari hakusi kungoongorora mashandiro ayo chete asi chinhu chakakosha chinoratidza kushanda kwenguva yemuchina uye mutengo patani.

1.1 DX700 neDX800 Series - Yakagadzirirwa Extreme Duty

DOOSAN DX700LC imhando ye 70-metric class heavy crawler excavator ine huremu hwekushanda hwe 70,100 kg (inenge 158,953 lbs) kana iine boom neruoko rwakajairwa, shangu dze double grouser dze 35.4-inch uye bhaketi re 4.32-cubic yard. Iine injini ye diesel ye Isuzu ine turbocharged ine 6-cylinder ine simba re 469 horsepower, DX700LC ine hudzamu hwepamusoro hwe kuchera hunosvika 25.3 feet uye inosvika 41.8 feet pasi, zvichipa kugona kukuru kwekuchera. Muchina uyu wakagadzirirwa kushandiswa kwekutakura ivhu, kuchera, uye kuchera uko kuvimbika kuri kukuru kana uchishanda nguva dzose.

DOOSAN DX800LC‑7 inosimudzira mashandiro ayo kusvika padanho repamusoro. Nehuremu hwekushanda hwe82,100 kg (inenge 181,000 lbs), DX800LC‑7 ndiyo excavator yakakura uye ine simba kupfuura dzose yeDoosan, ine injini yeTier 4-compliant 539-horsepower. DX800LC inopa simba rekubuda mumabhaketi rinosvika 84,878 lb‑ft, simba rekuchera maoko re75,619 lb‑ft, uye kudzika kwekuchera kwepamusoro kwe39 tsoka 9 inches, zvichiita kuti ive yakakodzera zvakanyanya mapurojekiti anoda mari yakawanda, kuchera, kuvaka kwakakura uye zvivakwa. Excavator yemhando ye80-metric ton inopa radius yepamusoro yekuchera inopfuura mamita 14 uye yakagadzirirwa kushanda pamabasa makuru apo chikamu chega chega chinofanira kutsungirira mutoro wakawanda uye kukweshwa zvakanyanya.

1.2K1051204- Tsanangudzo yeUpper Roller Group

IyoK1051204Kuungana kweTrack Carrier Roller chinhu chakakosha chesystem yekutakura zvinhu pasi pemotokari paDX700 neDX800 series. Chinotenderera chinotenderera, chinowanzonziwo top roller kana upper roller undercarriage, chinoiswa pamusoro pechikamu che track frame uye chinoita basa rakakosha rekutsigira upper track chain painodzoka kubva kudrive sprocket kuenda kufront idler. Izvi zvinochengetedza track chain yakarongeka zvakanaka, zvinodzivirira kudzika zvakanyanya, zvinoderedza kukweshana uye kudedera panguva yekufamba, uye zvinogovera huremu zvakaenzana mu track system. Kune michina yeDX700/DX800's weight class, carrier roller assembly inofanira kugadzirwa kuti ikwanise kurema zvakanyanya, kazhinji ichitsigira dynamic chain loads dzinopfuura 12,000 lbs panguva yekushanda zvine simba uye steep-grade operations.

K1051204 Upper Roller Group inowanzova nezvinhu zvakasiyana-siyana zvakarurama:

• Muviri weroller/goko – rakagadzirwa nesimbi ine simba rakasimba ine maflange akadzika, akagadzirirwa kutungamira cheni yenzira zvakachengeteka uye kudzivirira kutsvedza kwedivi.
• Axle/shaft inogadziriswa nekupisa - inowanzogadzirwa nesimbi yechrome alloy (semuenzaniso, 45# kana 40Cr) ine kuomarara kwepakati kweHB 248–293 uye pamusoro peHRC 58–62, zvichipa simba rakanyanya pakukotama pasi pekukanda kwakanyanya padivi uye pakugumburwa.
• Sisitimu yekuvharira double cone kana Duo‑Cone - tekinoroji yepamusoro yekuvharira inodzivirira kubuda kwemafuta uye inovhara kupinda kwezvinosvibisa zvakaita seguruva rematombo, jecha, uye slurry, izvo zvakakosha zvikuru munzvimbo dzekuchera dzine huwandu hwakawanda hwezvinhu zvidiki.
• Mabheyaringi eBimetal - anowanzo gadzirwa nesimbi ine mhangura (semuenzaniso, CuPb10Sn10) iri pamusoro pesimbi, ichipa simba rakanaka rekutakura mutoro, kukweshana kwakaderera, uye kuramba kwakasimba kwekubatwa nesimbi kana paine zvinhu zvinorema.
• Mafuta ekuzora nekuvhara – mafuta egiya ane viscosity yakakwira (kazhinji 40# grade) anozadza mukati, nepo maO-ring seals (rabha kana polyurethane) uye float ring seals (GLKBTCr16Mo2NiCu alloy) achichengetedza nzvimbo yakavharwa, isina kusvibiswa.

Pakusangana kweK1051204, ganda rinotenderera rinowana kuomarara kweHRC 52–56 nehukuru hwekasi kakaomarara ke4-8 mm, zvichiita kuti rirambe rakapfava zvakanaka ukuwo richichengetedza core yakasimba uye inokwevera kurovera. Dhizaini iyi yesimbi yakakosha kune zvinodiwa zveDX700/DX800 zvehupenyu hwakareba mumabasa ekuchera anoenderera mberi.

1.3 Kukosha Kwekushanda Mumachera Emhando ye70–80 Ton

Muma excavator makuru kwazvo akadai seDX700 neDX800, gungano re track carrier roller rinokonzerwa nekukwira kwesimba kwe cyclical kunobva mukuchinja-chinja kwe track chain tension, turn resistance, uye terrain irregularly. Kana carrier roller's bearing system kana sealing ikakundikana, upper track chain inogona kudonha, zvichiwedzera kukweshana pa track frame, zvichikurumidzisa pin and bushing wear, uye zvichizopedzisira zvaita kuti track chain irebe, derailment, kana kutotadza kufamba zvakanaka pasi pe carrier. Saka, K1051204 Upper Roller Group inofanira kusangana kana kudarika OEM dimensional uye metallurgical specifications kuti ive nechokwadi chekuti 100% inogona kuchinjana uye hupenyu hwebasa hunogoneka.

2. Kugona Kugadzira CQC – Nyanzvi yeOEM & ODM Mupi weZvikamu zveUndercarriage

CQC Track (Heli Machinery Manufacturing Co., Ltd.), ine muzinda wayo muQuanzhou, Fujian Province, China, inyanzvi mugadziri uye mutengesi wezvinhu zvinorema zvepasi pemotokari zvinoshandisa ma excavator epakati kusvika makuru, ma bulldozer, ma drilling rigs uye ma crawler loaders. Iine ruzivo rwemakore anopfuura makumi maviri mukugadzira zvikamu zve chassis, kambani iyi yakazvisimbisa semubatsiri weOEM (Original Equipment Manufacturer) neODM (Original Design Manufacturer) ine hunyanzvi mukushandira ma brand ezvigadzirwa zvepakutanga nevatengi ve aftermarket mumakondinendi matanhatu.

2.1 Kugadzira kweOEM - Kufanana Kwacho Nezvinodiwa zveDOOSAN

Semutengesi weOEM, CQCTRACK inogadzira K1051204 Track Carrier Roller Assembly zvichienderana nezvinodiwa pakutanga - zvese zvakakosha (dhayamita yeroller, flange spacing, axle dayamita, mounting bolt pattern, uye bore size) zvinosimbiswa zvichienderana neDOOSAN OEM part number 200104‑00017A uye class‑yakafanana neK1051204 standard. Kuumbwa kwesimbi, induction hardening profile, bearing fit tolerance, uye sealing system configuration zvinotevedzera dhizaini yekutanga, zvichiita kuti bolt‑on itsiviwe zvakananga paDX700 neDX800 undercarriages pasina shanduko ku track frame kana final drive alignment.

2.2 Kugadzira ODM - Uinjiniya Hwakagadzirwa Nevanhu Kuti Uwane Zvinodiwa Zvakasiyana

Semugadziri weODM, CQCTRACK inopa mabasa einjiniya nekugadzira zvinhu zvakasiyana-siyana kune vatengi vanoda ma "track carrier roller assemblies" ane zvirevo zvakagadziriswa - zvakaita sekuwedzera kudzika kwe "flange" kuti pave nekugadzikana kwakanyanya munzvimbo dzakapfava, zvimwe zvinhu zvekuvhara nzvimbo dzekuchera dzinopisa zvakanyanya (semuenzaniso, jecha remafuta rekuCanada kana migodhi yedhaimani yeSiberia), kana ma "bearing compositions" ekushandisa ane zvinhu zvisingawanzoitiki. Vatengi vanogona kupa madhirowa, maCAD models, kana masampuli chaiwo, uye timu yeinjiniya yeCQC ichashandura mainjiniya kana kugadzira patsva "carrier roller assemblies" kuti ienderane nezvinodiwa zvekushanda.

2.3 CQC TRACK Quality Certification – ISO 9001:2015 Compliance

CQC ine chitupa cheISO 9001:2015 uye inoshanda pasi pehurongwa hwekutarisira mhando hwakatenderwa neChina Quality Certification (CQC). Chitupa ichi chinovimbisa:

• Kugona kuteverwa kwezvinhu zvisina kugadzirwa - simbi yese inoshandiswa muchikamu cheK1051204 inoongororwa nemakemikari (spectroscopy) kusimbisa kuti kuumbwa kwe alloy kunoenderana ne40Mn/50Mn kana 40Cr/42CrMo.
• Kudzora mashandiro ari kuitwa - kuyedzwa kwekuomarara (Rockwell kana Vickers) kunoitwa pama roller shells, axles, uye bearings pamatanho akasiyana-siyana ekugadzirwa.
• Kusimbiswa kwekupedzisira kwechigadzirwa - kubatanidzwa kwega kwega kwemuchina wekutakura zvinhu kunoongororwa nehukuru, kuongororwa kwe torque, kuyedzwa kwekubuda kwemvura pasi pekumanikidzwa kwekushanda kwakaedzwa, uye kuyedzwa kusingaparadze (magnetic particle kana ultrasonic) sezvinodiwa.

3. Kuvimbika Kwakaratidzwa Munzvimbo Dzepasi Mukushandiswa Kwemigodhi Yakakura & Kuvaka

Zvikamu zveCQC zvepasi pemotokari, kusanganisira DOOSAN K1051204 Track Carrier Roller Assembly, zvine makore anopfuura gumi ekushanda mumunda mune dzimwe nzvimbo dzinonyanya kuoma pasi rose: migodhi mikuru yakavhurika, magodhi emvura anopisa, mapurojekiti ezvivakwa zvakakura, migero yekuvaka mapaipi, uye mashandiro emasango.

3.1 Maitiro Ekuchera Migodhi - Kukuvadzwa Kwakanyanya uye Kukanganiswa

Mukuchera mhangura muChile (Atacama Desert region), uko tembiricha dzezuva nezuva dzinochinja-chinja zvakanyanya uye guruva rinobuda mumhepo rinokwesha zvakanyanya, ma "case-hardened carrier rollers" eCQC (HRC 52–56 surface hardness) anogara achiwana nguva yekushanda inodarika maawa 3,500 asati asvika pamiganhu yekusashanda - zvichienzaniswa nemaawa 2,200–2,500 ezvigadzirwa zvemazuva ese. Hupenyu hwekushanda hwakareba hunoshandura zvakananga kudzikira kwenguva yekushanda isina kurongwa uye kudzikira kwemari inoshandiswa pazvikamu zvepasi pemotokari pagore. Kune vanoronga kugadzirisa migodhi, kuchengetedza mari kwakakosha: kutadza kwe "carrier roller" imwe chete pamuchina weDX700/DX800 class kunogona kukonzera kurasikirwa kwemaawa akawanda ekugadzira, ukoshi hwemakumi ezviuru zvemadhora paawa mumabasa makuru ekuchera migodhi.

3.2 Kushanda Kwakaoma Mukuchera Matombo - Kuramba Kusimba Kwazvo

Mumagori akabatanidzwa (mumigodhi yechrome neplatinum yekuSouth Africa, mashandiro esimbi muAustralia), uko matombo akapwanyika anokonzera kukuvara kwakanyanya pamaflange nema roller bearings, CQC's K1051204 anogadzira inoratidza kuvimbika kweflange. Goko re roller rakaumbwa rine kuomarara kwakadzika (4–8 mm case depth) rinoramba kupwanyika nekupwanyika kunyangwe mushure mekugara kwenguva refu pa granite yakapinza kana basalt fragments. Vatariri vemidziyo ye quarry muWestern Australia neQueensland vanotaura kuti kuchinja kushandisa CQC carrier rollers kwakaderedza kupindira kwe roller undercarriage neanenge 30% mukati memwedzi gumi nemiviri.

3.3 Zvivakwa uye Kufambisa Nyika - Kushanda Kwakafanana

Kune makambani ekuvaka zvivakwa ari kushanda panzvimbo dzemapurojekiti eNEOM muSaudi Arabia, kuvaka migwagwa mikuru inoyambuka gwenga muMongolia, uye mapurojekiti emvura emvura muTurkey neBrazil, CQC's DOOSAN K1051204 Carrier Roller Assembly yakashanda zvakanaka pasi pekupisa kwakanyanya (kubva -30°C munguva yechando yeSiberia kusvika +50°C munguva yezhizha yeMiddle East), kufamba kwenguva refu nekukurumidza (pakufambisa ma excavators pakati penzvimbo dzebasa dzakapararira), uye kushanda kwakasimba. Sisitimu yepamusoro yekuvharira makoni maviri inochengetedza mafuta kunyangwe mushure memaawa zviuru zvekushanda mumamiriro ematope kana jecha, ichidzivirira kumhanya kwakaoma uye kubatwa kwemugodhi.

3.4 Hupenyu Hwebasa Hwakawedzerwa – 30% Hwakareba Kupfuura Zvikamu Zvemazuva Ano

Kuenzanisa kwakazvimirira kwakaitwa nevashandi vezvikepe zvepasi rose kunoratidza kuti ma "carrier roller assemblies" eCQC anopa hupenyu hwebasa hunosvika 30% kupfuura zvikamu zvemazuva ano zve "aftermarket", kunyanya nekuda kwekushandiswa kwesimbi yepamusoro uye maitiro ekupisa anodzorwa zvakanyanya. Kune zvikepe zvikuru zvekuchera zvinoshandisa 20 DX700/DX800 class excavators, izvi zvinogona kushandura kuchengetedza mazana ezviuru zvemadhora pagore mumari yekutsiva zvikamu uye yevashandi, ukuwo zvichivandudza kuwanikwa kwemuchina - chiyero chakakosha chenzvimbo dzekugadzira zvinhu zvakawanda.

4. Zvivakwa zvekugadzira zvakabatana zvakananga

Kugona kweCQC kugadzira zvigadzirwa zvemhando yepamusoro nguva dzoseDOOSAN K1051204 Track Carrier Roller Assembliesuye zvimwe zvikamu zvechassis zvinoenderana nekugadzirwa kwakabatana zvakakwana kunobvisa kusiyana kwecheni yekugovera, kusawirirana kwemhando, uye kunonoka kwekugadzira kunokonzerwa nekusaita kontrakita.

Casting Foundry. Inogadzira maburi asina kugadzirwa ezvimwe zvikamu zvepasi pemotokari (sprockets, idlers, support rollers) ichishandisa maitiro ekukanda jecha regirini uye furo rakarasika. Batch yega yega yekukanda inoongororwa ne ultrasonic flaw uye chemical analysis kuti ione kuumbwa kwe alloy uye structure integrity isati yaenderera mberi nemabasa anotevera.

Chigadzirwa Chekugadzira Maroller. Chinhu chikuru cheCQC's carrier roller - mabhiri esimbi ane simba rinorema anodziiswa kusvika pakupisa kunodzorwa (kazhinji 1,100–1,200°C) uye anoumbwa nekushandisa hydraulic press forging. Kugadzira maroller akavharwa kunoenzanisa kuyerera kwesimbi nechimiro chegoko reroller, zvichiwedzera zvakanyanya kuramba kuneta uye kusimba kwemhedzisiro zvichienzaniswa nezvimwe zvinoshandiswa pakukanda kana kucheka kubva mundiro.

Fekitori yeMazino eBucket Yakagadzirwa. Kunyangwe yakatsaurirwa zvakanyanya kumazino emabhaketi nemaadapter, nzvimbo iyi ine maitiro akafanana ekusimbisa mhando uye hunyanzvi hwe alloy semitsetse yezvikamu zve track, zvichiita kuti CQC ikwanise kupa zvikamu zvese zvekusakara - ma carrier rollers, ma track chains, ma track shoes, ma sprockets, ma bottom rollers, idlers, uye ma bucket teeth - kubva kunobva imwe chete.

Chivako Chekupedzisira Chekugadzira. Masangano eK1051204 carrier roller assembly anounganidzwa pamitsetse yakatarwa yekuisa indexing uchishandisa michina yekudzvanya ye hydraulic yakaganhurirwa kuti ikwane zvakakwana uye shaft alignment inodiwa kune zvinodiwa zveDOOSAN OEM. Zvisimbiso zveDuo‑Cone kana double‑cone zvinoiswa nemafuta akayerwa, uye gungano rega rega rinoongororwa torque inotenderera uye kuyedzwa kwekubuda kweseal.

CNC Machining Workshop. Yakashongedzerwa neCNC vertical lathes, horizontal boring mills uye precision grinding centers. Mabasa makuru ekupedzisa eK1051204 anosanganisira: kutenderedza roller shell outer diameter kusvika pachiyero chaicho (± 0.05 mm tolerance), kukwenya flange geometry nemazvo, kukwenya shaft journals, uye final dimensional laser scanning kuti ive nechokwadi chemhando.

Nekuchengetedza ma node ese mashanu ekugadzira ari pasi pehutungamiriri hwakabatana, CQC inowana kutonga kwemaitiro kubva pakutanga kusvika pakupedzisira - kubva pakugamuchira simbi isina kugadzirwa kusvika pakutumirwa kwe roller assembly yekutakura yakagadzirwa. Kubatanidzwa uku kwakamira kunogonesa nguva dzekutungamira nekukurumidza (kazhinji mazuva gumi nemashanu kusvika makumi maviri emaodha akajairwa), kuenderana kwemhando yepamusoro, uye kusununguka kwekugadzirisa magadzirirwo eODM pasina kuvimba nekunze.

5. Chikwata cheCQC Global Business - Jack, Haily, naVaZhou

Chikwata cheCQC cheMabhizinesi Epasi Rose chinopa rutsigiro rwakanaka pasi rose rwemibvunzo yeDOOSAN K1051204 Track Carrier Roller Assembly, maodha, uye sevhisi yekutumira zvinhu mushure mekutumira zvinhu.

• Jack - Mukuru weAkaunti yeEurope, Russia neAmerica.
  Jack anoronga magwaro ekutumira zvinhu kunze kwenyika (ma invoice ekutengeserana, runyorwa rwekurongedza, zvitupa zvekwakabva), magwaro ekutevedzera CE evatengi vekuEurope, uye gadziriro dzekufambisa zvinhu kuburikidza nekutakura zvinhu mugungwa (FCL/LCL) uye kutakurwa kwezvinhu nendege kunzvimbo dzemapurojekiti muEurope yese, Russian Federation, United States, Canada neLatin America.
• Haily - Murongi wezvekutengeserana kunze kwenyika kuCentral Asia, South Korea neAustralia.
  Haily inyanzvi mukuongorora zvinodiwa zvekubvisirwa kwemitengo yekunze kuKazakhstan, Uzbekistan, Mongolia, South Korea neAustralia, uye inoshanda zvakananga nemakambani emigodhi ekuAustralia anoda magwaro echitupa cheISO 9001:2015 neCQC sechikamu chehurongwa hwavo hwekutanga hwekutsvaga magwaro emutengesi.
• VaZhou – Mutungamiriri weDunhu reMiddle East, West Asia, Africa neSoutheast Asia.
  Vane ruzivo rwemakore gumi nemashanu mukupa zvikamu zvemidziyo inorema, VaZhou vanotungamira kushanda kweCQC nemakambani emigodhi, masangano ehurumende ezvivakwa uye vatengesi vemidziyo muSaudi Arabia, UAE, Jordan, Turkey, Nigeria, Ghana, Kenya, Indonesia nePhilippines. VaZhou vanopawo rutsigiro rwehunyanzvi panzvimbo iyi pakuisa maroller ekutakura zvinhu uye kugadzirisa matambudziko kana zvichidikanwa.

6. Kufukidzwa Kwemusika Wepasi Pose - Kupa Migodhi Nenzvimbo Dzekuvaka Mumakondinendi Matanhatu

MaCQCDOOSAN K1051204 Track Carrier Roller Assembliesuye portfolio yakakura yezvikamu zvechassis parizvino zvinotumirwa kumisika mikuru yemigodhi nekuvaka pasi rese:

• Europe – Germany, Poland, Finland, Sweden, Norway, Netherlands, Belgium, France, Spain, Italy, Greece, United Kingdom.
• Kumadokero kweAsia neMiddle East - Saudi Arabia (NEOM), UAE, Qatar, Jordan, Turkey, Kuwait.
• Central Asia - Kazakhstan (Karaganda uye Pavlodar migodhi matunhu), Uzbekistan (goridhe uye mhangura migodhi), Mongolia (Oyu Tolgoi), Tajikistan.
• South America – Chile (Atacama Desert copper mines), Peru, Brazil (iron ore), Argentina, Colombia, Bolivia.
• Russia - migodhi yedhaimani nemarasha yeSiberia, dunhu reUrals, zviteshi zveFar East (Vladivostok), zvakapararira mukati menyika kuburikidza neTrans-Siberian Railway.
• South Korea - Seoul, Incheon, Busan, vatengesi vemidziyo yeUlsan nenzvimbo dzekuvakazve.
• North America - United States neCanada (vagovanisi vemakambani matsva, nzvimbo dzekuvakazve michina, makondirakiti ezvivakwa).
• Australia – Western Australia (simbi), Queensland (marasha nemhangura), New South Wales, Victoria.
• Africa – South Africa (platinum, gold, manganese, chrome mines), Zambia (mhangura), Democratic Republic of Congo (cobalt nemhangura), Ghana (goridhe), Nigeria, Kenya, Tanzania, Angola.

7. Mhedziso – Sarudza CQC yeDOOSAN DX700/DX800 K1051204 Track Carrier Roller Assemblies

Kune varidzi vezvikepe, vatengesi vemidziyo, mapoka ekutenga zvicherwa uye makondirakiti ezvivakwa anoda DOOSAN DX700 / DX800 K1051204 Track Carrier Roller Assemblies (Upper Roller Group), CQC Track (cqctrack) inopa mhinduro yakakwana yekugadzira, yakabatana yakabatana neyakatsigirwa nemakore makumi maviri ehunyanzvi hwekugadzira zvifambiso zvepasi pemotokari.

CQC inosanganisa kugona kweOEM/ODM kugadzira, ISO 9001:2015 / CQC quality certification, metallurgy yakasimbiswa mumunda (simbi yakagadzirwa, kuomesa macase ekudzikisa zvinhu, Duo-Cone seals), uye timu yebhizinesi repasi rose yakazvipira (Jack, Haily, VaZhou) kuti vape ma "carrier roller" anoshanda zvakanaka kumabasa ekuchera nekuvaka pasi rese.

Bata CQC Track kuti uwane:

• Kupa zvakananga DOOSAN K1051204 Track Carrier Roller Assemblies mufekitori yeDX700 neDX800 series excavators.
• Kugadzira zvifambiso zveOEM neODM zvezvikepe zvakasanganiswa (DOOSAN, Caterpillar, Komatsu, Hitachi, Hyundai, Volvo, Liebherr nedzimwe).
• Rutsigiro rwehunyanzvi, kutaurirana nhamba dzezvikamu, uye gwara rekuisa.
• Kutumirwa kwepasi rose kuEurope, West Asia, Central Asia, South America, Russia, South Korea, North America, Australia neAfrica.

Nzira yeCQC - Kugadzira Kuvimba MuRoller Yese Yekutakura.