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0402184519KOI TECHNICAL CO.,LTD

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Tax code0402184519
Company nameKOI TECHNICAL CO.,LTD
Registered name (Vietnamese, transliterated)CONG TY TNHH KOI TECHNICAL
Registered addressLot 368, To Ban Do So 222, Group 53, Hoa Quy Ward, Ngu Hanh Son District, Da Nang
Province / cityDa Nang
Status● Active
Legal representativeHoang Thi Duyen
Operating since15 Mar 2023
Managing tax officeRegional Tax Sub-department of Son Tra - Ngu Hanh Son
TypeCompany
Legal formLimited liability company
Main industry (VSIC)4322 — Plumbing, heat and air-conditioning installation
Last updated 25 Aug 2026
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Registered business lines (37)

VSICIndustry
4322Plumbing, heat and air-conditioning installation main
3312Repair of machinery and equipment
4101Construction of residential buildings
4211Construction of railways
4221Construction of electrical works
4330Building completion and finishing
4610Commission agents, brokers and auction agents
4759Retail sale of electrical household appliances, furniture and the like, lighting equipment and other household articles n.e.c in specialized stores
3320Installation of industrial machinery and equipment
4659Wholesale of other machinery and equipment
4662Wholesale of metals and metal ores
4663Wholesale of construction materials and other installation supplies
4772Retail sale of pharmaceutical and medical goods, cosmetic and toilet articles in specialized stores
3319Repair of other equipment
4223Construction of telecommunications and communication constructions
Show 22 more
4299Construction of other civil engineering projects
4321Electrical installation
4312Site preparation
4212Construction of roads
4222Construction of water supply and drainage works
3314Repair of electrical equipment
4329Other construction installation
7110Architectural and engineering activities and related technical consultancy
4752Retail sale of hardware, paints, glass and other construction installation equipment in specialized stores
3311Repair of fabricated metal products
4229Construction of other utility projects
4291Construction of hydraulic structures
4311Demolition
4390Other specialized construction activities
4649Wholesale of other household products
7120Technical testing and analysis
7410Specialized design activities
3313Repair of electronic and optical equipment
4102Construction of non-residential buildings
4292Construction of mining and quarrying facilities
4293Construction of manufacturing facilities
3290Other manufacturing n.e.c.

Industry names follow the official English edition of the Vietnam Standard Industrial Classification (VSIC 2018). Registered business lines do not necessarily reflect what the company actually does.

Hoang Thi Duyen is also recorded as legal representative of:

NGHE NHIN VA TRUYEN THONG ANH SANG COMPANY LIMITED0102374886 · Suspended or ceased operatingNo. 6, Alley 79/7, Lane 79 Nguyen Chi Thanh, Lang Ha Ward, Dong da District, Ha NoiTHUONG MAI VA DICH VU KINH NTV VIETNAM JOINT STOCK COMPANY0105812866 · Suspended or ceased operatingNo. 22, Lien Ke 6, Van Khe Urban Area, La Khe Ward, Ha Dong District, Ha NoiCHE BIEN LAM SAN DUNG DUYEN COMPANY LIMITED0106825804 · ActiveTrung Hamlet, Lien Trung Commune, Dan Phuong District, Ha NoiNHA HANG JANGEORANG COMPANY LIMITED0107266517 · Not operating at registered addressLot 26, TT4, Tran Van Lai Street, My Dinh - Me Tri Urban Area, Tu Liem Ward, Ha Noi CityTm & Dv Hieu Hung Company Limited0107327907 · ActiveHamlet 5, Kim Hoang Hamlet, Van Canh Commune, Hoai Duc District, Ha NoiDAU TU VA PHAT TRIEN THUONG MAEI DICH VU HOANG ANH COMPANY LIMITED0108359210 · ActiveNo. 3, Lane 8/11/36/105 Duong Le Quang Dao, Residential Group So 5, Phu Do Ward, Nam Tu Liem District, Ha NoiHCT TECH VIETNAM COMPANY LIMITED0108419205 · ActiveNo. 26 Tan Ap Street, Hong Ha Ward, Ha Noi CityDICH VU KE TOAN THUE ATC COMPANY LIMITED0109148318 · ActiveCho Hamlet, Co Loa Commune, Dong Anh District, Ha NoiT&Q MEDIA VIETNAM COMPANY LIMITED0109276694 · ActiveOF, No. 14, Floor 2 toa R4 Royal city, No. 72 Nguyen Trai, Thuong Dinh Ward, Thanh Xuan District, Ha NoiTHUONG MAI NADU COMPANY LIMITED0109900062 · ActiveNo. 343 Phan Ba Vanh, Dong Ngac Ward, Ha Noi City See all →

Matched by identical name only; two people may share the same name.

Same main industry in Da Nang

CO DIEN LANH DINH QUOC COMPANY LIMITED0402188591 · Active11 Nhon Hoa 3, Hoa An Ward, Cam Le District, Da NangTHUONG MAI VA DICH VU TIN HONG PHAT COMPANY LIMITED0402184318 · ActiveNational Road 14B, Phu Hoa 1 Hamlet, Ba Na Commune, Da Nang CityDICH VU DIEN NUOC - DIEN LANH QUOC ANH COMPANY LIMITED0402065871 · Not operating at registered address138/h61/37/01 Hoang Van Thai, Hoa Khanh Ward, Da Nang CityCO DIEN HVAC COMPANY LIMITED0402030212 · ActiveNo. 11, Tung Lam 8, Hoa Xuan Ward, Da Nang CityCO DIEN HAI HAU COMPANY LIMITED0402178699 · Temporarily suspended (fixed term)92 Phan Khoang, An Khe Ward, Da Nang City

A sample of companies with the same registered main industry, not a complete list.

Other companies in Da Nang

TU VAN THIET KE KIEN TRUC XAY DUNG HD19 COMPANY LIMITED0402184491 · ActiveNo. 02 An Hai Bac 2, An Hai Bac Ward, Son Tra District, Da NangTHUONG MAI VA DU LICH HAI THIEN COMPANY LIMITED0402184406 · Active46 Vo Nguyen Giap, Man Thai Ward, Son Tra District, Da NangDICH VU QUANG CAO VA TRUYEN THONG ZUNEZX COMPANY LIMITED0402184477 · Tax code terminatedK94/10 Pham Van Nghi, Thanh Khe Ward, Da Nang CityTHUONG MAI DICH VU QMTECH COMPANY LIMITED0402184244 · ActiveFloor 4, 666 Building Building, No. 668, Lane Quyen, An Hai Bac Ward, Son Tra District, Da NangKIM MOC GROUP COMPANY LIMITED0402184540 · Active98 Vo Chi Cong, Hoa Xuan Ward, Cam Le District, Da Nang

Same province or city by registered address — this does not imply any relationship between the companies.

Compiled from public business and tax registration data, with names and addresses transliterated into English by fixed rules. For official status, check with the Vietnamese tax authority.