TL;DR —Ndị na-azụ ụgbọ mmiri na-enweta silinda isi clutch na silinda ohu maka ngwa gwongworo dị arọ na nke na-adọkpụ ga-aghọta na ihe abụọ a jikọtara ọnụ mana ha dị iche na igwe - silinda ukwu na-emepụta nrụgide hydraulic site na ntinye pedal; silinda ohu na-agbanwe nrụgide ahụ ka ọ bụrụ ike igwe iji wepụ clutch ahụ. Paramita atọ kachasị mkpa na nzụta buru ibu bụ: nha bore-stroke dakọtara n'etiti onye nwe na ohu (nkwekọ na-adịghị mma nke 2 mm na dayameta bore na-agbanwe mgbalị pedal clutch site na 15–20%), ndakọrịta ogologo pushrod stroke na ụdị gwongworo akọwapụtara (IVECO, MAN, DAF, ma ọ bụ Volvo na-eji ụdị strok dị iche iche site na 25 mm ruo 42 mm), na nkwenye nọmba mgbanwe OEM (otu silinda isi clutch IVECO na-ebu ruo nọmba ntụgharị aka 7 n'ofe ụdị OE na nke aftermarket). Edemede a na-ekpuchi ihe m mụtara site n'inye ndị na-azụ ụgbọ mmiri Europe na Ndịda Ọwụwa Anyanwụ Eshia ihe mejupụtara hydraulic.
Ndị njikwa mmezi ụgbọ ibu na Yuropu na Ndịda Ọwụwa Anyanwụ Eshia na-anọchikarị akụkụ hydraulic clutch n'otu n'otu - nkeji 50 ruo 200 kwa iwu - iji nọgide na-enwe ọkwa kacha nta nke ngwa ahịa n'ofe gwongworo 20 ruo 100. Ihe ndị a na-enyekarị iwu maka gwongworo clutch master (IVECO, MAN, DAF, Volvo, Scania, Mercedes-Benz) bụ cylinder master clutch na cylinder clutch slave. Anọ m na-enye ihe ndị a site na ngalaba mbupụ Fangjie kemgbe 2003, mmejọ kachasị m na-ahụ site n'aka ndị na-azụ gwongworo bụ ịtụ cylinders master na slave cylinders dị ka a ga-asị na ha nwere ike ịgbanwe agbanwe - ha abụghị. cylinder master na slave cylinder sitere na ndị nrụpụta dị iche iche ma ọ bụ nwere oke bore-stroke na-adabaghị adaba ga-emepụta mmetụta pedal a na-anabataghị: oke arọ (nrụgide pedal karịrị 35 kg maka mwepụ clutch) ma ọ bụ oke ọkụ mana na njem clutch ezughị ezu (clutch ahụ anaghị ewepụ kpamkpam, na-eme ka a na-egweri gia na mgbanwe ọ bụla).
Isiokwu a na-akọwa ọdịiche dị iche iche onye na-azụ ụgbọ mmiri kwesịrị inyocha tupu o tinye iwu buru ibu. Maka ụdị silinda clutch master anyị na-emepụta, leeIbe ngwaahịa silinda isi clutchMaka ụdị IVECO nke bụ otu n'ime ntụaka anyị kacha achọ, leeIbe ngwaahịa silinda IVECO clutch master.
Ọdịiche Ọrụ - Nna Ukwu Na-emepụta Nrụgide, Ohu Na-agbanwe Ya
Sịlinda isi clutch na silinda ohu clutch bụ ihe abụọ dị iche iche nke hydraulic nke na-arụ ọrụ dị iche iche. A na-etinye silinda isi n'akụkụ injin nke firewall ahụ, nke ejikọtara ozugbo na lever pedal clutch. Mgbe onye ọkwọ ụgbọala pịa pedal clutch ahụ, ihe nrụgide dị na silinda isi kpụga piston mbụ n'ihu, na-amanye mmiri hydraulic (mmiri brek ma ọ bụ mmanụ mineral, dabere na nkọwapụta nke onye nrụpụta gwongworo) site na paịpụ clutch gaa na silinda ohu. A na-etinye silinda ohu n'ebe a na-etinye mgbịrịgba gearbox, mgbe nrụgide hydraulic banyere na silinda ohu, ọ na-akwali pushrod slave cylinder megide ndụdụ ntọhapụ clutch ahụ, nke na-ewepụ diski clutch ahụ.
Dayameta nke silinda ukwu ahụ na-adịkarị ibu karịa dayameta nke silinda ohu n'ime ụzọ abụọ dabara adaba - 20-26 mm, 16-22 mm na 16-22 mm. 16-25 mm na-ekpebi ike hydraulic. Maka ụgbọala DAF CF ma ọ bụ XF, 1.25:1 ruo 1.35:1. Maka IVECO Stralis ma ọ bụ S-Way, 1.15:1 ruo 1.25:1. Onye zụrụ ụgbọ mmiri na-enye iwu maka silinda ukwu nwere 24 mm na 18 mm na 18 mm na 1.33:1 maka IVECO S-Way nke chọrọ 1.20:1 ga-emepụta pedal nke na-adị ka 18% arọ karịa nkọwapụta OE - ndị ọkwọ ụgbọ mmiri ga-eme mkpesa maka ike ọgwụgwụ ụkwụ n'ụzọ dị anya.
Njiko Bore-Stroke — Akụkụ Kachasị Mkpa
A ghaghị ịchọpụta njikọta bore-stroke maka ma silinda ohu ma ọ bụ nke ukwu tupu etinye iwu buru ibu. Ọkpọkọ silinda ukwu bụ anya piston ahụ na-aga n'ime silinda ukwu mgbe pedal clutch ahụ gbanyere mkpọrọgwụ nke ọma - nke a na-abụkarị 25–42 mm maka ngwa gwongworo dị arọ. Ọkpọkọ silinda ohu bụ anya piston ohu na-aga iji pịa ndụdụ ntọhapụ clutch - nke na-abụkarị 12–20 mm. Mgbanwe mmiri nke silinda ukwu (ebe bore × stroke) ga-aha nhata ma ọ bụ karịa ntakịrị ihe mmiri chọrọ nke silinda ohu.
Emeela m iwu otu onye na-ekesa ụgbọ mmiri Yuropu nyere iwu otu silinda 200 nke nwere oghere 22 mm × 30 mm, jikọtara ya na silinda ohu 200 nwere oghere 18 mm × 16 mm. Mgbanwe silinda ukwu bụ π × (11 mm)² × 30 mm = 11,404 mm³. Ihe achọrọ maka silinda ohu bụ π × (9 mm)² × 16 mm = 4,072 mm³. Mgbanwe silinda ukwu bụ ugboro 2.8 achọrọ maka silinda ohu - oke a dị n'ime oke a na-anabata (2.5:1 ruo 3.5:1) maka ụdị gwongworo ahụ, a nakwerekwa otu ahụ mgbe anwalechara ya na ụgbọala nlele. Iwu m na-etinye: mgbanwe silinda ukwu kwesịrị ịbụ ugboro 2.8–3.2 nke mgbanwe silinda ohu maka otu silinda dabara adaba na sistemụ clutch gwongworo dị arọ nwere bearing hydraulic release, na ugboro 2.0–2.5 maka sistemụ nwere ndụdụ mwepụ clutch mekanikal. Ndị na-emepụta hydraulic OEM clutch nke Yuropu dịkaỤgbọala FTEjiri mgbakọta nha bore-stroke yiri nke ahụ na nkọwapụta injinia ngwaahịa ha.
Nhazi Pushrod na Nwụnye — Ọ bụghị Clutch Master Cylinders niile bụ otu
Nhazi pushrod nke clutch master cylinder dị iche n'etiti ndị na-emepụta gwongworo. cylinder master IVECO na-eji njikọ pushrod ụdị U nke nwere dayameta pin 10 mm na ogologo pushrod 45 mm site na etiti pin ruo na piston. Cylinder master DAF na-eji njikọ fork ụdị Y nwere pin 12 mm na pushrod 55 mm. Cylinder master Volvo na-eji pushrod kwụ ọtọ nwere nut mgbanwe M8 eri. Ihe dị iche iche a pụtara na cylinder master nke e mere maka DAF CF agaghị agbanwe agbanwe na nkeji IVECO Stralis, ọbụlagodi na dayameta bore na strok ahụ yiri otu. Onye na-azụ ụgbọ mmiri ga-enyocha ụdị njikọ pushrod, dayameta pin, na ogologo zuru oke site na ihu flange na-etinye ruo na etiti pin pushrod, nke a tụrụ na milimita.
Usoro ihe eji etinye ihe dị iche: IVECO na-eji ihe eji etinye ihe abụọ dị ka M8 n'ebe dị anya n'etiti 52 mm; DAF na-eji ihe eji etinye ihe abụọ dị ka M10 n'ebe dị anya n'etiti 60 mm; MAN na-eji ihe eji etinye ihe atọ dị ka M8 n'ụdị ihe eji emepụta ihe dị ka 56 mm. Agaghị etinye silinda ukwu nwere ụkpụrụ ihe eji etinye ihe dị ka 4 mm site na oghere ihe eji etinye ihe dị ka gwongworo ahụ na-enweghị ịgba oghere ọhụrụ - nke a na-anabataghị maka ụlọ ọrụ na-arụzi ụgbọala nke chọrọ ka gwongworo ahụ laghachi ọrụ n'ime awa abụọ.
Ndakọrịta Ụdị Mmiri Mmiri — Mmiri Brek vs Mmanụ Mineral
Sistemụ hydraulic clutch dị n'ime gwongworo dị arọ na-eji mmiri brek nkịtị (DOT 3, DOT 4, ma ọ bụ DOT 5.1) ma ọ bụ mmanụ mineral (nke a na-akpọkarị Shell Tellus ma ọ bụ ihe yiri ya, nke onye nrụpụta gwongworo ahụ kwuru). Ihe mkpuchi dị na silinda ukwu na silinda ohu dị iche maka ụdị mmiri ọ bụla. Sistemụ mmiri brek na-eji akara roba EPDM; sistemu mmanụ mineral na-eji akara NBR (nitrile roba). Onye na-azụ gwongworo nke na-etinye silinda ukwu nwere akara EPDM na sistemụ clutch nke na-eji mmanụ mineral ga-ahụ ka akara ndị ahụ na-aza ma daa n'ime awa 200, na-eme ka pedal clutch ahụ banye n'ala na-enweghị nrụgide hydraulic. A na-egosikarị ụdị mmiri ahụ na mkpuchi ebe nchekwa silinda ukwu - DOT 3/4/5.1 maka mmiri brek, ma ọ bụ akara mmanụ mineral. Silinda ukwu nnọchi ga-akọwapụta ihe mkpuchi ziri ezi. Na Fangjie, ụdị silinda ukwu clutch ọ bụla dị na ụdị akara EPDM na NBR, onye na-azụ gwongworo ga-akọwapụta ihe mkpuchi ahụ mgbe ọ na-enye iwu.
Ndepụta Nzụta Ukwu maka Ndị Zụrụ Ụgbọ Mmiri
| Lelee ihe ahụ | Ihe a ga-enyocha | Nsonaazụ Ọ bụrụ na Emehie |
|---|---|---|
| Dayameta nke oghere - onye isi | Tụọ cylinder mbụ ahụ ma ọ bụ lelee nkọwapụta OE (20–26 mm nkịtị) | Mgbanwe nke pedal na-ezighi ezi site na 15–20% |
| Dayameta nke oghere — ohu | Tụọ cylinder mbụ ahụ (16–22 mm nkịtị) | Oke oghere na-adabaghị adaba na-akpata nkwụsị clutch zuru oke |
| Ọrịa strok - nna ukwu | Tụọ njem piston site na ezumike zuru oke ruo na njedebe zuru oke (25–42 mm) | Mkpọchi dị mkpụmkpụ = oke mmiri mmiri ezughi oke; ogologo mkpọchi = pedal kụrụ ala ụlọ tupu ọ kwụsịchaa kpamkpam |
| Ọrịa strok - ohu | Tụọ njem ndụdụ ntọhapụ na ebe njikọ pushrod ohu (12–20 mm) | Njem njem fork zuru oke na-akpata ndọkpụ clutch na RPM dị elu |
| Ụdị njikọ Pushrod | Ụdị U, ụdị Y, ma ọ bụ eriri kwụ ọtọ - tụọ dayameta ntụtụ na anya dị n'etiti | Njikọ na-ezighi ezi = enweghị ike ijikọ na njikọ pedal clutch |
| Ụkpụrụ bolt nwụnye | Nha bolt (M8/M10/M12) na anya etiti (52–60 mm) | Gbanyụọ ụkpụrụ mkpọchi site na 4 mm = achọrọ mgbanwe bracket |
| Ụdị mmiri mmiri | DOT 3/4/5.1 (Emechiri EPDM) ma ọ bụ mmanụ mineral (Emechiri NBR) | Ihe mkpuchi na-ezighi ezi = mmebi mkpuchi n'ime awa 200 |
| Nọmba mgbanwe OEM | Ndepụta ntụaka: Nọmba OE + nọmba ntụaka ahịa mgbe ahịa gasịrị (otu silinda ukwu nwere ike inwe ntụaka 7+) | Ịtụ ihe na-enweghị ntụaka cross-conference = nyere iwu maka ụdị na-ezighi ezi, eweghachiri na 15% ụgwọ ndozighachi |
Ụkpụrụ Mmebi nke Akara - Ihe Ndekọ Nlekọta Na-ekpughe
N'ahụmịhe m na-enyocha ndekọ mmezi ụgbọ mmiri n'ofe ndị ọrụ gwongworo dị arọ nke Europe na Ndịda Ọwụwa Anyanwụ Eshia, ụkpụrụ ọdịda nke akara clutch master cylinder na-egosi ma ogo akụkụ ahụ zuru oke ma ọ bụ ma isi ihe kpatara ya ọ bụ ọkwa sistemụ. Mmebi nke akara nke na-eme n'etiti kilomita 300,000 na kilomita 500,000 ma na-apụta dị ka ntapụ mmiri na-aga n'ihu site na buut pushrod master cylinder (buut ahụ na-ejupụta na mmiri mmiri na nsị ahụ na-emerụ firewall ahụ) bụ usoro mmebi nkịtị - akara EPDM ma ọ bụ NBR erutela njedebe nke ndụ ọrụ ya na a ga-edochi silinda master. Mmebi nke akara nke na-eme tupu kilomita 150,000 ma na-apụta dị ka mfu mberede nke nrụgide pedal na-enweghị ntapụ mpụga a na-ahụ anya bụ mgbawa nke akara dị n'ime - akara mbụ adaala na ọdụ ụgbọ mmiri gafere, mmiri ahụ na-agagharịkwa n'ime olulu silinda master na-enweghị nrụgide. Usoro a na-egosi ma ọ bụ ntụpọ nrụpụta (egbugbere ọnụ mkpuchi ahụ mebiri emebi n'oge mgbakọ - nsọtụ mkpuchi a dọwara adọwa nke 0.2 mm zuru oke iji mee ka ọ na-efe efe na nrụgide ọrụ mmanya 20) ma ọ bụ nsogbu mmetọ (uzuzu silica sitere na sistemụ clutch banyere na mmiri hydraulic ma kpachie egbugbere ọnụ mkpuchi ahụ).
Usoro nke atọ m na-ahụ n'ógbè ihu igwe okpomọkụ (Thailand, Indonesia, Vietnam) bụ mmebi nke akara mkpuchi nke na-akpata nchara. Ihe mkpuchi silinda clutch master pushrod na-abanye na oghere ahụ site na buut uzuzu nke na-echebe oghere ahụ site na mmiri na ájá okporo ụzọ. Ọ bụrụ na akpụkpọ uzuzu emebie ma ọ bụ na-efu, mmiri ozuzo sitere na wiil spray (a na-etinye silinda master n'elu ụfọdụ ụdị gwongworo) na-abanye na oghere ahụ ma na-eme ka elu aluminom breeki rerode. Ngwaahịa nchara (aluminum oxide, nke siri ike ma na-abrasive) na-abanye na egbugbere ọnụ mkpuchi EPDM ma mee ka mkpuchi ahụ gbapụta n'ime awa 50 nke mmiri mbụ batara. Ihe ngwọta bụ iji dochie buut uzuzu ahụ na nnọchi silinda master ọ bụla - buut ahụ na-efu /usr/bin/bash.30–/usr/bin/bash.50 n'oge iwu silinda master ma na-agbakwụnye nkeji 20 na usoro nrụnye. Ana m akwado ka ndị na-azụ ụgbọ mmiri nye iwu maka buut uzuzu ọzọ na otu silinda master ọ bụla, karịsịa maka gwongworo na-arụ ọrụ na ihu igwe mmiri.Ntuziaka mmezi nke Heavy Duty Journal maka nhazi clutchna-ekpuchi ndụmọdụ oge nlele nke kwekọrọ na ụkpụrụ iyi anyị na-ahụ n'ọhịa.
Ajụjụ Ndị A Na-ajụkarị
Kedu ihe dị iche n'etiti silinda clutch master na silinda ohu maka gwongworo dị arọ?
Sịlinda clutch master maka gwongworo dị arọ (IVECO, DAF, MAN, Volvo) na-erikarị $18–$35 (FOB Ningbo) na ọnụọgụgụ nke ihe karịrị otu narị. Sịlinda slave kwekọrọ na-eri $12–$22 n'otu olu ahụ. Ọdịiche ọnụahịa na-egosipụta nhazi ime nke silinda praịmarị nwere piston mbụ nwere spring return, piston nke abụọ, na njikọ mmiri mmiri, ebe silinda slave nwere otu piston nwere spring return na skru bleeder. A na-ejikwa ígwè a kpụrụ akpụ ma ọ bụ aluminom arụ cylinder praịmarị nke nwere ihe achọrọ imecha elu dị elu na bore ahụ (Ra 0.4 μm kacha nta maka onye nwe ya, Ra 0.8 μm dị mma maka ohu ahụ).
Kedu otu m ga-esi mata nọmba OEM nke clutch master cylinder ziri ezi na gwongworo IVECO?
A na-etinye akara nọmba OEM maka silinda isi IVECO n'elu ụlọ silinda isi - nke a na-ahụkarị n'akụkụ ihu dị n'akụkụ ọdụ ụgbọ mmiri mmiri. Maka IVECO Stralis ma ọ bụ S-Way, nọmba OEM bụ 5801446199, 48785332, ma ọ bụ 504307694. A na-etinyekwa nọmba nkedo ahụ na ahụ ebe a na-echekwa mmiri. Ọ bụrụ na ọnụọgụgụ ahụ agwụla (nke a na-ahụkarị na gwongworo nwere kilomita 500,000+ ebe grit okporo ụzọ emebiela ihe a na-atụnye), ị nwere ike ịchọpụta silinda isi site na dayameta bore na ụdị pushrod - mana maka ịzụta nnukwu ihe, ana m akwado ka ndị otu mmezi see foto nke akara silinda isi ma ziga onyonyo ahụ kama ịdabere na ụdị gwongworo ahụ naanị, n'ihi na otu afọ nlereanya IVECO S-Way nke 2020 nwere ike iji silinda isi dị iche karịa ụdị 2022 n'ihi mgbanwe mmepụta na-agba ọsọ.
Enwere ike ijikọ silinda clutch master na silinda ohu sitere na ụdị ahịa dị iche iche n'otu gwongworo ahụ?
Ee — ma ọ bụrụhaala na nha bore-stroke na ụdị mmiri mmiri dakọtara, enwere ike ijikọ silinda ukwu site na otu akara azụmaahịa na silinda ohu sitere na akara ọzọ. Paramita dị mkpa bụ dayameta bore, strok piston, na ihe mkpuchi (EPDM ma ọ bụ NBR). Agbanyeghị, site n'echiche akwụkwọ ikike, anaghị m akwado ịgwakọta ụdị ngwaahịa - ọ bụrụ na ihe abụọ ahụ sitere na otu onye nrụpụta, akwụkwọ ikike ahụ doro anya. Ọ bụrụ na silinda ukwu sitere na Brand A ada ada ma a na-enyo enyo na silinda ohu sitere na Brand B bụ isi ihe kpatara ya, onye zụrụ ụgbọ mmiri ga-emeso ngalaba akwụkwọ ikike abụọ, nke ọ bụla na-ata akụkụ nke ọzọ ụta. Na Fangjie, anyị na-enye ụzọ abụọ master-slave dakọtara na otu nọmba akụkụ maka ha abụọ, akwụkwọ ikike ahụ na-ekpuchi akụkụ abụọ ahụ n'otu usoro nkwupụta.
Kedu ihe bụ ọnụọgụ kacha nta maka silinda isi ihe eji emechi ihe omenala?
Ọnụọgụ kacha nta nke iwu maka silinda Fangjie clutch master na ntụaka OE ọkọlọtọ (IVECO 5801446199, DAF 1526071, MAN 813472) bụ nkeji iri ise kwa ụdị. Maka silinda master nke a na-ahazi nke ọma (nhazi bore, strok, ma ọ bụ pushrod na-abụghị ọkọlọtọ), MOQ bụ nkeji iri abụọ kwa ụdị, ego mmepe sample nke $500–$800 dịkwa. Oge ndu sample bụ ụbọchị ọrụ iri abụọ–25 maka sample mbụ, oge ndu mmepụta mgbe nkwenye sample gasịrị bụ ụbọchị ọrụ iri atọ–35.
Kedu otu m ga-esi chọpụta na otu silinda clutch master ruru ọkọlọtọ ogo OE?
Maka nkọwa zuru ezu nke ụkpụrụ injinia nke na-achịkwa akụkụ akụkụ hydraulic clutch na ọkwa ihe, leeỌbá akwụkwọ ọkọlọtọ ụgbọ ala nke SAE International— ọkọlọtọ SAE J826 na-ekpuchi akụkụ sistemụ clutch hydraulic maka ụgbọ ala azụmahịa dị arọ.
Rịọ maka asambodo nnwale nrụgide mgbawa nke onye nrụpụta na akụkọ nyocha nha maka otu ahụ. Nrụgide mgbawa maka silinda clutch dị arọ kwesịrị ịdị n'elu ogwe 60 (nrụgide ọrụ bụ ogwe 10-20, ihe nchekwa 3:1 bụ nke kacha nta). A ga-eji ihe nlele oghere tụọ dayameta oghere ahụ n'ọnọdụ atọ n'akụkụ axis nke oghere ahụ - njehie gburugburu ga-adị n'okpuru 0.02 mm, njedebe elu ga-adịkwa Ra 0.4 μm ma ọ bụ karịa. A ga-eji ihe nlele GO/NO-GO lelee oghere ntụtụ pushrod ahụ - ntụtụ ahụ ga-amịkọrọ n'ime oghere ahụ site na ịpị mkpịsị aka dị mfe ma ghara inwe ihe karịrị 0.1 mm nke egwuregwu n'akụkụ ọ bụla.
Kedu oge ọdịda nkịtị maka silinda clutch master n'ime ụgbọ ibu gwongworo ogologo oge?
Sịlinda clutch master n'ime ụgbọ ibu gwongworo ogologo oge (kilomita 150,000–200,000 kwa afọ) na-ada ada n'etiti kilomita 300,000 na kilomita 500,000, dabere na ịdị mma nke akara ahụ (mkpuchi EPDM na mmiri DOT 4 na-adịru kilomita 350,000–600,000; mkpuchi NBR na mmanụ mineral na-adịru kilomita 250,000–400,000), oge nnọchi mmiri (ụgbọ mmiri ndị na-anọchi mmiri hydraulic clutch kwa kilomita 100,000 na-ahụ ogologo ndụ cylinder master karịa ụgbọ mmiri ndị na-anaghị anọchi mmiri ahụ), na nhazi pushrod. Pushrod nke na-adịghị edozi nke ọma (ihe karịrị 2 mm eccentric) ga-eyi oval silinda master bore ma mee ka mkpuchi piston ahụ gbapụta ihe dị ka kilomita 250,000. N'ule nyocha ụlọ nyocha anyị na Fangjie, silinda clutch master nke dabara nke ọma n'elu igwe nnwale nke na-agba strok 10 mm na 1 Hz (otu mwepụ clutch kwa sekọnd) na-erute ọdịda akara na okirikiri nde 1.2–1.8, nke metụtara kilomita 400,000–600,000 n'iji ubi eme ihe.
Elian Zhou
Onye njikwa mbupụ — Shaoxing Fangjie Auto Accessory Co., Ltd.
Elian Zhou bụ onye njikwa mbupụ na Shaoxing Fangjie Auto Accessory Co., Ltd., onye na-emepụta ihe ndị mejupụtara sistemu brek gwongworo nwere ihe karịrị afọ 20 nke ahụmịhe mmepụta OEM kemgbe 2003. Ọ bi na Shaoxing, Zhejiang, ọ na-arụ ọrụ kwa ụbọchị na ndị ọrụ 100+ nke ụlọ ọrụ ahụ na ndị otu azụmaahịa mba ofesi mmadụ iri iji nye ndị na-ekesa brek calipers, slack adjusters, solenoid valvụ, na ụlọ brek nye ndị na-ekesa ahịa n'ofe Europe, Ndịda Ọwụwa Anyanwụ Eshia, na Middle East.
Oge ozi: Julaị-08-2026