CÔNG TY TNHH KOI TECHNICAL
| Tax code | 0402184519 |
| Vietnamese name | CÔNG TY TNHH KOI TECHNICAL |
| English name | KOI TECHNICAL COMPANY LIMITED |
| Trading name | KOI TECHNICAL COMPANY LIMITED |
| Address | Lô 368, tờ bản đồ số 222, Tổ 53, Phường Ngũ Hành Sơn, TP Đà Nẵng, Việt Nam. |
| Legal representative | Hoàng Thị Duyên |
| Business registration certificate issue date | 15/03/2023 |
| Operations start date | 15/03/2023 |
| Fiscal year end | 31/12 |
| Data updated | 25/09/2026 23:35 |
Business lines
| F4322 | Plumbing, Heating and Air-Conditioning Installation |
| C3290 | Other manufacturing n.e.c. |
| C3311 | Repair of fabricated metal products |
| C3312 | Repair of machinery |
| C3313 | Repair of electronic and optical equipment |
| C3314 | Repair of electrical equipment |
| C3319 | Repair of other equipment |
| C3320 | Installation of industrial machinery and equipment |
| E3811 | Collection of non-hazardous waste |
| E3812 | Collection of hazardous waste |
| E3821 | Treatment and disposal of non-hazardous waste |
| E3822 | Treatment and disposal of hazardous waste |
| E3830 | Materials recovery |
| E3900 | Remediation activities and other waste management services |
| F4101 | Construction of residential buildings |
| F4102 | Construction of non-residential buildings |
| F4211 | Construction of railways |
| F4212 | Construction of roads |
| F4221 | Construction of electricity projects |
| F4222 | Construction of water supply and sewerage projects |
| F4223 | Construction of telecommunications projects |
| F4229 | Construction of other utility projects |
| F4291 | Construction of water projects |
| F4292 | Construction of mining projects |
| F4293 | Construction of manufacturing and processing projects |
| F4299 | Construction of other civil engineering projects n.e.c. |
| F4311 | Demolition |
| F4312 | Site preparation |
| F4321 | Electrical Installation |
| F4329 | Other Building Services Installation |
| F4330 | Building Completion and Finishing |
| F4390 | Other Specialized Construction Activities |
| G4662 | Wholesale of metals and metal ores |
| G4610 | Commission Agents, Brokers and Auctions of Goods |
| G4649 | Wholesale of Other Household Goods |
| G4659 | Wholesale of other machinery and equipment |
| G4773 | Retail sale of other new goods in specialized stores |
| G4774 | Retail sale of second-hand goods in specialized stores |
| M7120 | Technical testing and analysis |
| G4759 | Retail Sale of Household Electrical Appliances, Beds, Cabinets, Tables, Chairs, Lamps and Other Household Goods Not Elsewhere Classified in Specialized Stores |
| G4772 | Retail sale of pharmaceutical and medical goods, cosmetic and toilet articles in specialized stores |
| M7110 | Architectural and engineering activities and related technical consultancy |
| H5210 | Warehousing and storage |
| M7410 | Specialized design activities |
| N7730 | Renting of other machinery, equipment and tangible goods without operator |
| S9521 | Repair of consumer electronics |
Frequently asked questions about CÔNG TY TNHH KOI TECHNICAL
How is tax code 0402184519 structured?
Tax code 0402184519 consists of 10 digits. Under Article 5 of Circular 90/2026/TT-BTC, the first two digits 04 are the segment prefix; the seven digits 0218451 fall within an ascending sequence from 0000001 to 9999999; the digit 9 is the check digit. A 10-digit code is issued to an organization that is an independent unit.
What information is needed to issue an invoice to CÔNG TY TNHH KOI TECHNICAL?
The three mandatory fields on an invoice are the entity name CÔNG TY TNHH KOI TECHNICAL, tax code 0402184519 and address Lô 368, tờ bản đồ số 222, Tổ 53, Phường Ngũ Hành Sơn, TP Đà Nẵng, Việt Nam.. Check the tax code status again right before issuing an invoice, because an invoice issued to an entity that is not operating at its registered address risks being rejected at tax finalization.
Is CÔNG TY TNHH KOI TECHNICAL still operating?
The status of tax code 0402184519 of CÔNG TY TNHH KOI TECHNICAL is NNT đã được cấp MST according to the latest synced data (as of 25/09/2026). The list of tax code statuses is set out in Appendix I of Circular 90/2026/TT-BTC.
Does CÔNG TY TNHH KOI TECHNICAL have any other names?
Besides its full name, CÔNG TY TNHH KOI TECHNICAL is also registered under the name KOI TECHNICAL COMPANY LIMITED. When searching, either this name or tax code 0402184519 will return the same result.
Where is the address of CÔNG TY TNHH KOI TECHNICAL?
CÔNG TY TNHH KOI TECHNICAL has its registered office at Lô 368, tờ bản đồ số 222, Tổ 53, Phường Ngũ Hành Sơn, TP Đà Nẵng, Việt Nam.. The entity is located in Phường Ngũ Hành Sơn, Đà Nẵng.
Legal basis: Article 11 of the 2025 Law on Tax Administration and Circular 90/2026/TT-BTC on tax registration (effective 01/7/2026). See also tax code structure and the list of 10 tax code statuses.
Business statistics in Phường Ngũ Hành Sơn
3,869Total businesses
1,945Operating
1,919Ceased / suspended
0New in last 90 days
Across Thành phố Đà Nẵng: 55,014 businesses, of which 23,082 are operating.
Common business lines
By legal form
Limited liability company2,314
Single-member limited liability company886
Joint stock company521
Sole proprietorship81
School / educational institution16
Other state agency13
By status
Taxpayer issued tax code1,942
Not operating at registered address1,327
Temporarily suspended operations316
Ceased operations; tax code closure not yet completed182
Ceased operations; tax code closure completed94
Pending verification of operating status at registered address4
Businesses with legal representative "Hoàng Thị Duyên"
A total of 50 businesses share the same legal representative name