DOOSAN DX700 / DX800 K1051204 Track Carrier Roller Assembly / Upper Roller Group – CQC: Ngwa Ngwuputa na Ọrụ Mwube Dị Ike Ihe Ndị Dị na Chassis Components Onye na-eweta na Onye Mmepụta / cqctrack

1. Nchọpụta Ngwaahịa: TheDOOSAN K1051204 Track Carrier Roller Assemblymaka ndị na-egwupụta ihe nke ukwuu

IheDOOSAN K1051204 Track Carrier Roller Assembly, nke a makwaara dịka Upper Roller Group, bụ ihe e ji chassis emepụta nke ọma nke e mere kpọmkwem maka igwe na-egwupụta ihe ndị na-agbagharị DOOSAN DX700 na DX800 - igwe kachasị ibu ma dị ike na usoro igwe na-egwupụta ihe ndị na-agbagharị ihe ndị na-adịghị amị amị nke Doosan. A na-arụ igwe ndị a dị oke arọ maka gburugburu ebe kachasị sie ike na nnukwu ọrụ igwe na-egwupụta ihe, igwupụta ihe, owuwu dị arọ, na ọrụ akụrụngwa n'ụwa niile, ebe ogologo oge ụgbọ ala na-adịghị ala ala abụghị naanị ihe na-egosi arụmọrụ kama ọ bụ ihe dị mkpa na-ekpebi oge igwe na-arụ ọrụ na ọnụ ahịa kwa tọn.

1.1 Usoro DX700 na DX800 - E wuru ya maka ọrụ dị oke egwu

DOOSAN DX700LC bụ igwe na-egwupụta ihe dị arọ nke 70-metric-ton, nke nwere ibu ọrụ nke 70,100 kg (ihe dị ka 158,953 lbs) mgbe ejiri ya rụọ boom na ogwe aka ọkọlọtọ, akpụkpọ ụkwụ grouser abụọ nke 35.4-inch na bọket 4.32-cubic yard. Site na injin dizel Isuzu nke nwere cylinder turbo-charged 6-cylinder nke na-enye ike 469 horsepower, DX700LC nwere omimi kachasị elu nke ụkwụ 25.3 na oke iru n'ala nke ụkwụ 41.8, na-enye ikike igwu ala pụrụ iche. Emebere igwe a maka ibugharị ala dị elu, igwu ala n'ọtụtụ ebe, na iji igwe egwupụta ihe ebe ntụkwasị obi n'okpuru ọrụ na-aga n'ihu dị oke mkpa.

DOOSAN DX800LC‑7 na-eme ka arụmọrụ dịkwuo elu. Site na ibu ọrụ nke 82,100 kg (ihe dị ka 181,000 lbs), DX800LC‑7 bụ igwe egwupụta ihe kachasị ukwuu ma dị ike nke Doosan, nwere injin ike 539-horsepower nke Tier 4. DX800LC na-enye ike ịgbawa bọket nke ruru 84,878 lb-ft, ike igwu ogwe aka nke 75,619 lb-ft, na omimi igwu kachasị nke 39 ụkwụ na 9 inch, na-eme ka ọ dabara nke ọma maka ọrụ mkpokọta, igwu ala, owuwu dị arọ na akụrụngwa. Igwe egwupụta ihe dị arọ nke 80-metric-ton na-enye radius igwu ala kachasị elu karịa mita 14 ma emechara ya nke ọma maka nnukwu ọrụ ebe akụkụ ọ bụla ga-anagide ibu dị elu ugboro ugboro na nnukwu mkpụcha.

1.2K1051204– Nkọwapụta nke Upper Roller Group

IheK1051204Mgbakọ Roller nke Track Carrier bụ akụkụ dị mkpa nke sistemụ ụgbọ ala dị n'okpuru ma usoro DX700 na DX800. A na-etinye roller nke a na-akpọkwa top roller ma ọ bụ elu roller undercarriage n'elu, n'elu akụkụ nke frame track ahụ ma na-arụ ọrụ dị mkpa nke ịkwado agbụ ígwè dị n'elu ka ọ na-alọghachi site na sprocket draịva gaa na onye na-arụ ọrụ n'ihu. Nke a na-eme ka agbụ ígwè ahụ dịrị n'usoro nke ọma, na-egbochi oke ịda mba, na-ebelata esemokwu na ịma jijiji n'oge njem, ma na-ekesa ibu ahụ n'ụzọ zuru oke na sistemụ track ahụ. Maka igwe nke ọkwa ibu DX700/DX800, a ga-ahazi mgbakọ roller nke na-ebu ibu ka ọ bụrụ oke ibu dị elu, na-akwadokarị ibu ígwè dị ike nke karịrị 12,000 lbs n'oge ọrụ na-agagharị agagharị na oke elu.

K1051204 Upper Roller Group na-agụnyekarị ọtụtụ ihe ndị a kapịrị ọnụ:

• Ahụ / shei nke a na-akpụ akpụ - ejiri ígwè alloy dị elu rụọ ya, nke nwere flanges siri ike ma sie ike nke e mere iji duzie usoro okporo ụzọ ahụ nke ọma ma gbochie mmịpụ n'akụkụ.
• Axle/ogwe e ji okpomọọkụ rụọ - a na-ejikarị ígwè chrome alloy (dịka ọmụmaatụ, 45# ma ọ bụ 40Cr) arụ ya nke nwere isi ike nke HB 248–293 na elu siri ike nke HRC 58–62, na-enye ike pụrụ iche megide mgbagọ n'okpuru oke ibu na mmetụta.
• Sistemụ mkpuchi cone abụọ ma ọ bụ Duo-Cone – teknụzụ mkpuchi dị elu nke na-egbochi ntapu mmanụ ma na-egbochi mbubata nke ihe ndị na-emebi emebi dị ka uzuzu nkume, ájá, na slurry, nke dị oke mkpa na gburugburu ebe a na-egwupụta ihe nke nwere nnukwu mkpokọta obere ihe.
• Bearing Bimetal - nke a na-ejikarị ihe e ji ọla kọpa mee (dịka ọmụmaatụ, CuPb10Sn10) mee n'elu ihe e ji ígwè mee, nke nwere ikike ibu ibu dị mma, obere esemokwu, na oke iguzogide njide n'okpuru ibu siri ike.
• Mmanụ na ihe mkpuchi - mmanụ gia dị elu (nke na-abụkarị ọkwa 40#) na-ejupụta oghere dị n'ime, ebe mkpuchi O-ring (roba ma ọ bụ polyurethane) na mkpuchi mgbanaka float (GLKBTCr16Mo2NiCu alloy) na-anọgide na-enwe gburugburu ebe obibi mechiri emechi, nke na-enweghị mmetọ.

Maka mgbakọ K1051204, ihe mkpuchi roller ahụ na-enweta ike elu nke HRC 52–56 yana omimi ikpe induction-siri ike nke 4−8 mm, na-eme ka o kwe omume iguzogide iyi kacha mma ebe ọ na-ejigide isi siri ike, nke na-amịkọrọ mmetụta. Nhazi ígwè a dị mkpa maka mkpa ogologo oge ọrụ DX700/DX800 na ọrụ igwu ala na-aga n'ihu.

1.3 Mkpa Ọrụ n'ime Ndị Na-egwupụta Ihe nke 70–80 Tọn

N'ime nnukwu ihe ndị e ji gwupụta ihe dịka DX700 na DX800, ihe e ji gwupụta ihe na-ebu ụzọ na-adaba na ibu ọrụ nke na-esi na mgbanwe nrụgide nke usoro egwu, iguzogide ntụgharị, na nsogbu nke ala. Ọ bụrụ na sistemụ ibu ma ọ bụ mkpuchi nke ihe e ji gwupụta ihe na-ada ada, agbụ ígwè elu nwere ike ịda, na-abawanye esemokwu megide etiti egwu, na-eme ka ntụtụ na bushing yinye dịkwuo ngwa ngwa, ma mechaa mee ka agbụ ígwè dị ogologo oge, na-emebi emebi, ma ọ bụ ọbụna ọdịda dị egwu n'okpuru ibu. Ya mere, K1051204 Upper Roller Group ga-emezu ma ọ bụ gafere nkọwapụta nha na ọla OEM iji hụ na enwere ike ịgbanwe 100% na ndụ ọrụ a na-atụ anya ya.

2. Ike Mmepụta CQC - Onye Ọkachamara na OEM na ODM Na-eweta Ihe Ndị Dị n'okpuru Ụgbọala

CQC Track (Heli Machinery Manufacturing Co., Ltd.), nke isi ụlọ ọrụ ya dị na Quanzhou, Fujian Province, China, bụ ọkachamara n'ichepụta ma na-ebunye ihe ndị dị n'okpuru ibu dị arọ maka ndị na-egwupụta ihe dị n'etiti ruo nnukwu nnukwu ihe e ji agagharị agagharị, ndị na-akụ bulldozer, igwe ịgba ígwè na ndị na-ebu ibu crawler. Site na ihe karịrị afọ 20 nke ahụmịhe pụrụ iche na mmepụta akụkụ chassis, ụlọ ọrụ ahụ egosipụtala onwe ya dị ka onye ọkachamara n'ihe gbasara OEM (Onye Mmepụta Ngwa Mbụ) na onye mmekọ ODM (Onye Mmepụta Nhazi Mbụ) na-ejere ụdị akụrụngwa mbụ na ndị ahịa ahịa n'ofe kọntinent isii ozi.

2.1 Mmepụta OEM - Kpọmkwem Dakọtara na Nkọwapụta DOOSAN

Dịka onye na-ebubata ngwa ahịa OEM, CQCTRACK na-emepụta K1051204 Track Carrier Roller Assembly ka o wee doo anya na nkọwapụta mbụ - akụkụ ọ bụla dị mkpa (dayameta roller, oghere flange, dayameta axle, ụkpụrụ bolt installing, na nha bore) ka akwadoro site na nọmba akụkụ DOOSAN OEM 200104‑00017A na ọkọlọtọ K1051204 ya. Nhazi metallurgical, profaịlụ ike induction, ndidi nha bearing, na nhazi sistemụ sealing na-emegharị imewe mbụ ahụ, na-eme ka nnọchi bolt ozugbo na DX700 na DX800 dị n'okpuru ụgbọala na-enweghị mgbanwe ọ bụla na etiti track ma ọ bụ nhazi draịva ikpeazụ.

2.2 Mmepụta ODM - Injinịa Pụrụ Iche maka Ihe Pụrụ Iche

Dịka onye na-emepụta ODM, CQCTRACK na-enye ọrụ injinia na imewe ahaziri maka ndị ahịa chọrọ mgbakọ roller nke nwere nkọwapụta agbanwere agbanwe - dịka mmụba nke flange maka nkwụsi ike n'akụkụ n'ọnọdụ ala dị nro, ihe mkpuchi ọzọ maka gburugburu ebe a na-egwupụta ihe dị oke okpomọkụ (dịka ọmụmaatụ, ájá mmanụ Canada ma ọ bụ ebe a na-egwupụta diamond Siberian), ma ọ bụ ihe mejupụtara ihe owuwu pụrụ iche maka ngwa ndị nwere nnukwu ibu mkpọtụ. Ndị ahịa nwere ike inye eserese, ụdị CAD, ma ọ bụ ihe nlele anụ ahụ, ndị otu injinia CQC ga-agbanwe ma ọ bụ gbanwee mgbakọ roller nke ihe eji arụ ọrụ iji mezuo ihe achọrọ maka ọrụ.

2.3 Asambodo Ogo CQC Track – Nrubeisi ISO 9001:2015

CQC nwere asambodo ISO 9001:2015 ma na-arụ ọrụ n'okpuru sistemụ njikwa ogo nke China Quality Certification (CQC) kwadoro. Asambodo a na-ahụ maka:

• Nchọta ihe ndị e ji arụ ọrụ - a na-enyocha igwe ọ bụla e ji mee ihe na mgbakọ K1051204 site na kemịkalụ (spectroscopy) iji gosi na ihe mejupụtara alloy ahụ ruru ọkọlọtọ 40Mn/50Mn ma ọ bụ 40Cr/42CrMo.
• A na-eme nnwale siri ike n'ime usoro - nnwale siri ike (Rockwell ma ọ bụ Vickers) na shells roller, axle, na bearings n'ọtụtụ ọkwa nke mmepụta.
• Nkwenye ngwaahịa ikpeazụ - a na-enyocha nhazi nke ọ bụla e ji ebu ihe, nyocha nke ike mgbawa, nnwale ntapu mkpuchi n'okpuru nrụgide ọrụ e mere ka ọ dị mma, yana nnwale na-anaghị emebi emebi (ihe ndọta ma ọ bụ ultrasonic) dịka o kwesịrị.

3. Ntụkwasị obi nke e gosipụtara n'ọhịa n'ọrụ igwu ala dị arọ na owuwu

Akụkụ ụgbọ ala dị n'okpuru CQC, gụnyere DOOSAN K1051204 Track Carrier Roller Assembly, nwere ihe karịrị afọ iri nke ọrụ ubi a nwapụtara na ụfọdụ n'ime gburugburu ebe ndị kacha sie ike n'ụwa: nnukwu ogbunigwe, ebe a na-egwupụta ihe ndị na-emebi emebi, ọrụ akụrụngwa dị arọ, ụzọ owuwu ọkpọkọ, na ọrụ ọhịa.

3.1 Ngwa Ngwuputa – Mbibi na Mmetụta Dị Oke

N'ọrụ igwu ọla kọpa na Chile (mpaghara Atacama Desert), ebe okpomọkụ kwa ụbọchị na-agbanwe nke ukwuu ma uzuzu ikuku na-emebi emebi nke ukwuu, ihe mkpuchi ígwè CQC (HRC 52–56 siri ike elu) na-arụ ọrụ mgbe niile karịa awa 3,500 tupu ha erute oke iyi arụ ọrụ - ma e jiri ya tụnyere awa 2,200–2,500 maka ihe nnọchi anya ahịa nkịtị. Ndụ ọrụ a dị ogologo na-asụgharị ozugbo na obere oge ezumike a na-emefu na obere mmefu akụkụ ụgbọ ala kwa afọ. Maka ndị na-eme atụmatụ ndozi ogbunigwe, ego echekwara dị oke ukwuu: otu ihe ndọghachi azụ nke igwe DX700/DX800 nwere ike ibute mfu mmepụta ọtụtụ awa, nke ruru puku kwuru puku dollar kwa elekere na nnukwu ọrụ igwu mmiri.

3.2 Ọrụ Oke Ọgbawa - Nguzogide Mmetụta Dị Elu

N'ebe a na-egwupụta ihe (ebe a na-egwupụta ihe dị ka chrome na platinum nke South Africa, ọrụ ígwè nke Australia), ebe nkume a gwepịara egwepịa na-emepụta nnukwu mmetụta na flanges na roller bearings, mgbakọ K1051204 nke CQC na-egosi iguzosi ike n'ezi ihe flange. Ihe mkpuchi roller e ji ígwè rụọ nke nwere ike itinye n'ime ihe dị omimi (omimi ikpe 4–8 mm) na-eguzogide mgbawa na mgbawa ọbụlagodi mgbe ekpughere ya ogologo oge na granite ma ọ bụ basalt dị nkọ. Ndị njikwa akụrụngwa olulu mmiri na Western Australia na Queensland na-akọ na ịgbanwe gaa na roller ibu CQC belatara ihe mgbochi ụgbọ ala metụtara roller site na ihe dị ka 30% n'ime oge ọnwa 12.

3.3 Akụrụngwa na Ịkwaga Ụwa - Arụmọrụ Na-agbanwe Agbanwe

Maka ndị ọrụ nkwekọrịta akụrụngwa na-arụ ọrụ na ebe ọrụ NEOM na Saudi Arabia, owuwu okporo ụzọ trans-desert na Mongolia, na ọrụ dam mmiri hydroelectric na Turkey na Brazil, DOOSAN K1051204 Carrier Roller Assembly nke CQC arụọla ọrụ nke ọma n'okpuru oke okpomọkụ dị oke njọ (site na −30°C na oyi Siberia ruo +50°C na oge okpomọkụ Middle Eastern), njem ọsọ ọsọ ogologo oge (mgbe a na-ebugharị ihe ndị na-egwupụta ihe n'etiti mpaghara ọrụ gbasaara agbasa), na ọrụ dị elu. Sistemụ mkpuchi cone dị elu na-ejigide mmanụ ọbụna mgbe ọtụtụ puku awa nke ọrụ gasịrị n'ọnọdụ apịtị ma ọ bụ ájá, na-egbochi ịgba ọsọ na njide shaft.

3.4 Ndụ Ọrụ Gbatịkwuru – Ogologo 30% Karịrị Akụkụ Azụmaahịa Ọkọlọtọ

Ntụnyere onwe onye nke ndị na-arụ ọrụ ụgbọ mmiri mba ụwa mere na-egosi na njikọta roller nke CQC na-enye ndụ ọrụ ruo 30% karịa ihe ndị a na-ere n'azụ ahịa, nke bụ isi n'ihi ọrụ igwe dị elu na usoro ọgwụgwọ okpomọkụ a na-achịkwa nke ọma. Maka nnukwu ụgbọ mmiri ndị na-egwupụta ihe na-arụ ọrụ 20 DX700/DX800 class, nke a nwere ike ịtụgharị gaa na nchekwa nke ọtụtụ narị puku dollar kwa afọ na nnọchi akụkụ na ọnụ ahịa ọrụ, ebe n'otu oge ahụ na-eme ka nnweta igwe dịkwuo mma - ihe dị mkpa maka gburugburu mmepụta dị elu.

4. Akụrụngwa Mmepụta Agbakwunyere n'Ihu

Ike CQC nwere ike imepụta ihe dị elu mgbe niileDOOSAN K1051204 Track Carrier Roller Assemblyna akụkụ chassis ndị ọzọ dabere na akụrụngwa nrụpụta nke jikọtara ọnụ nke ọma nke na-ewepụ mgbanwe nke usoro ọkọnọ, enweghị nkwekọ na àgwà, na igbu oge mmepụta nke metụtara nkwekọrịta obere.

Ịkpụ ihe e ji akpụ ihe. Ọ na-emepụta oghere ndị e ji arụ ọrụ maka ụfọdụ ihe ndị dị n'okpuru ụgbọ mmiri (sprockets, ladlers, support rollers) site na iji ájá akwụkwọ ndụ akwụkwọ ndụ na usoro ịtụ ihe furu efu. A na-enyocha ntụpọ ultrasonic na nyocha kemịkalụ nke ọ bụla iji chọpụta ihe mejupụtara alloy na iguzosi ike n'ezi ihe tupu a gaa n'ihu na ọrụ ndị ọzọ.

Ụlọ Ọrụ Ịkpụ Ihe. Isi ihe dị mkpa n'ịmepụta ihe eji arụ ọrụ nke CQC - a na-ekpo ọkụ ígwè ígwè dị elu ruo n'ọnọdụ okpomọkụ austenitizing a na-achịkwa (nke na-abụkarị 1,100–1,200°C) ma jiri hydraulic press forging kpụọ ya. Mmepụta ihe eji arụ ọrụ nke mechiri emechi na-ahazi usoro mkpụrụ osisi ígwè na nhazi nke ihe eji arụ ọrụ, na-eme ka ike ọgwụgwụ na ike mmetụta dịkwuo elu ma e jiri ya tụnyere ihe ndị ọzọ e ji kpụọ ma ọ bụ nke e ji efere bee.

Ụlọ Ọrụ Ezé Bucket Eserese Ehi Ehi Ehi Ehi Ehi. Ọ bụ ezie na a na-enye ya karịsịa maka ezé bọket na ihe nkwụnye, ebe a nwere otu usoro nkwenye ịdị mma na ahụmịhe alloy dị ka ahịrị akụkụ nke usoro egwu ahụ, na-eme ka CQC nwee ike inye akụkụ zuru oke nke akụkụ iyi - roller carrier, agbụ ígwè track, akpụkpọ ụkwụ track, sprockets, bottom rollers, idlers, na ezé bọket - site na otu ebe nrụpụta.

Ụlọ Ọrụ Mgbakọ Ikpeazụ. A na-akpọkọta mgbakọ roller K1051204 n'ahịrị ntụaka raara onwe ya nye site na iji ngwa ịpị hydraulic nke e mere ka ọ dị mfe iji nweta nhazi nke ọma na nhazi shaft dị mkpa maka nkọwapụta DOOSAN OEM. A na-etinye akara Duo‑Cone ma ọ bụ double‑con na olu mmanụ a tụrụ atụ, a na-enyochakwa mgbakọ ọ bụla site na iji torque na ule ntapu nke akara.

Ụlọ Ọrụ Nrụpụta CNC. E ji igwe CNC kwụ ọtọ, igwe na-agba ígwè kwụ ọtọ na ebe a na-egweri ihe nke ọma. Ọrụ ndị dị mkpa maka mgbakọ K1051204 gụnyere: ịtụgharị dayameta mpụta nke ihe mkpuchi roller ka ọ bụrụ nha ziri ezi (±0.05 mm ndidi), nhazi geometry flange nke ọma, ịkpụcha akwụkwọ ndekọ shaft, na nyocha laser nke akụkụ ikpeazụ maka nkwenye mma.

Site n'ijigide ebe ise niile e ji arụ ọrụ n'okpuru njikwa dị n'otu, CQC na-enweta njikwa usoro site na njedebe ruo na njedebe - site na nnata ígwè raw ruo na mbupu ihe eji ebu ihe eji arụ ọrụ. Njikọta kwụ ọtọ a na-eme ka oge ndu dị ngwa ngwa (karịsịa ụbọchị 15-20 maka iwu ọkọlọtọ), ịdị mma dị elu, na mgbanwe iji nabata nhazi ODM na-enweghị ndabere mpụga.

5. Ndị otu azụmaahịa zuru ụwa ọnụ nke CQC – Jack, Haily, na Maazị Zhou

Ndị otu azụmaahịa mba ụwa nke CQC na-enye nkwado zuru ụwa ọnụ nke ọma maka ajụjụ, iwu, na ọrụ DOOSAN K1051204 Track Carrier Roller Assembly, na-enye.

• Jack - Onye njikwa akaụntụ dị elu maka Yuropu, Russia na Amerịka.
  Jack na-ahazi akwụkwọ mbupụ (akwụkwọ ọnụahịa azụmahịa, ndepụta nkwakọ ngwaahịa, asambodo mmalite), akwụkwọ nrubeisi CE maka ndị ahịa Europe, na ndokwa nhazi site na ibu mmiri (FCL/LCL) na ibu ikuku gaa ebe ọrụ n'ofe Europe, Russian Federation, United States, Canada na Latin America.
• Haily - Onye nhazi mbupụ maka Etiti Eshia, South Korea na Australia.
  Haily bụ ọkachamara n'ihe gbasara iwu nchekwa omenala maka Kazakhstan, Uzbekistan, Mongolia, South Korea na Australia, ma na-arụ ọrụ ozugbo na ụlọ ọrụ ndị na-egwupụta ihe n'Australia nke chọrọ ISO 9001: 2015 na asambodo CQC dịka akụkụ nke usoro ndị na-ebubata ngwaahịa ha tupu ha eru eru.
• Maazị Zhou - Onye isi mpaghara maka Middle East, West Asia, Africa na Ndịda Ọwụwa Anyanwụ Eshia.
  Site na ahụmịhe afọ iri na ise n'inye akụrụngwa dị arọ, Maazị Zhou na-edu CQC na ụlọ ọrụ ndị na-egwupụta ihe, ụlọ ọrụ akụrụngwa gọọmentị na ndị na-ere ngwa ọrụ na Saudi Arabia, UAE, Jordan, Turkey, Nigeria, Ghana, Kenya, Indonesia na Philippines. Maazị Zhou na-enyekwa nkwado teknụzụ n'ebe ahụ maka ntinye nke ihe eji arụ ọrụ na idozi nsogbu mgbe ọ dị mkpa.

6. Mkpuchi Ahịa Ụwa Nile - Inye Ebe A Na-egwupụta Ihe na Ebe A Na-ewu Ihe n'ofe Kọntinent Isii

Ndị CQCDOOSAN K1051204 Track Carrier Roller AssemblyA na-ebugakwa akụkụ chassis sara mbara ugbu a na nnukwu ahịa igwu ala na ihe owuwu gburugburu ụwa:

• Yuropu – Germany, Poland, Finland, Sweden, Norway, Netherlands, Belgium, France, Spain, Italy, Greece, United Kingdom.
• Ọdịda Anyanwụ Eshia na Etiti Ọwụwa Anyanwụ – Saudi Arabia (NEOM), UAE, Qatar, Jọdan, Tọki, Kuwait.
• Central Asia - Kazakhstan (mpaghara Karaganda na Pavlodar na-egwuputa ihe), Uzbekistan (mine ọla edo na ọla kọpa), Mongolia (Oyu Tolgoi), Tajikistan.
• Ndịda Amerịka – Chile (ebe a na-egwupụta ọla kọpa n'ọzara Atacama), Peru, Brazil (ígwè ígwè), Argentina, Colombia, Bolivia.
• Rọshịa - ebe a na-egwupụta daịamọnd na kol na Siberia, mpaghara Ural, ọdụ ụgbọ mmiri ndị dị n'Ebe Ọwụwa Anyanwụ (Vladivostok), kesara n'ime obodo site na Trans-Siberian Railway.
• Ndịda Koria - Ndị na-ere ngwa na Seoul, Incheon, Busan, na ebe a na-ewughachi ihe owuwu na ebe ndị ọzọ.
• Ugwu Amerịka - United States na Canada (ndị na-ekesa ngwaahịa mgbe ahịa gasịrị, ebe a na-ewughachi akụrụngwa, ndị ọrụ nkwekọrịta akụrụngwa).
• Ọstrelia - Ọdịda Anyanwụ Ọstrelia (ígwè), Queensland (kọl na ọla kọpa), New South Wales, Victoria.
• Afrịka – Saụt Afrịka (platinum, ọlaedo, manganese, ebe a na-egwupụta chrome), Zambia (ọla kọpa), Democratic Republic of Congo (cobalt na ọla kọpa), Ghana (ọla edo), Naịjirịa, Kenya, Tanzania, Angola.

7. Mmechi – Họrọ CQC maka DOOSAN DX700/DX800 K1051204 Track Carrier Roller Assemblies

Maka ndị nwe ụgbọ mmiri, ndị na-ere ngwa, ndị otu ịzụta ihe ndị dị n'ime ala na ndị ọrụ nkwekọrịta akụrụngwa chọrọ ebe a pụrụ ịdabere na ya nke DOOSAN DX700 / DX800 K1051204 Track Carrier Roller Assemblies (Upper Roller Group), CQC Track (cqctrack) na-enye ngwọta nrụpụta zuru oke, nke jikọtara ọnụ nke nwere ahụmịhe afọ 20 nke ụgbọ ala dị n'okpuru.

CQC na-ejikọta ikike nrụpụta OEM/ODM, asambodo ịdị mma ISO 9001:2015 / CQC, ọrụ igwe e ji arụ ọrụ nke ọma (ígwè alloy emepụtara, ike itinye ihe mkpuchi miri emi, Duo-Cone seals), na otu azụmaahịa mba ụwa raara onwe ya nye (Jack, Haily, Maazị Zhou) iji nye igwe mbuli elu dị elu na ọrụ igwu ala na owuwu n'ụwa niile.

Kpọtụrụ CQC Track maka:

• Ngwakọta DOOSAN K1051204 Track Carrier Roller Assemblies nke ụlọ ọrụ mmepụta ihe ozugbo maka igwe egwupụta usoro DX700 na DX800.
• Mmepụta ụgbọ mmiri dị n'okpuru OEM na ODM maka ụgbọ mmiri agwakọtara agwakọta (DOOSAN, Caterpillar, Komatsu, Hitachi, Hyundai, Volvo, Liebherr na ndị ọzọ).
• Nkwado teknụzụ, ntụaka nke ọnụọgụ akụkụ, na ntuziaka nrụnye.
• Mbupu zuru ụwa ọnụ na Europe, West Asia, Central Asia, South America, Russia, South Korea, North America, Australia na Africa.

CQC Track - Ntụkwasị obi na Injinịa n'ime ihe ọ bụla na-ebu ibu.