CÔNG TY TNHH TỐI ƯU NĂNG LƯỢNG
| Tax code | 0401866798 |
| Vietnamese name | CÔNG TY TNHH TỐI ƯU NĂNG LƯỢNG |
| English name | ENERGY OPTIMIZE COMPANY LIMITED |
| Trading name | ENERGY OPTIMIZE COMPANY LIMITED |
| Address | K357/96 Lê Văn Hiến, Phường Ngũ Hành Sơn, TP Đà Nẵng, Việt Nam. |
| Legal representative | Đoàn Văn Kiên |
| Business registration certificate issue date | 01/12/2017 |
| Operations start date | 01/12/2017 |
| Fiscal year end | 31/12 |
| Data updated | 26/09/2026 00:54 |
Business lines
| F41000 | Construction of buildings |
| C16210 | Manufacture of veneer sheets and wood-based panels |
| C16220 | Manufacture of builders' carpentry and joinery |
| C1629 | Manufacture of other products of wood; manufacture of articles of bamboo, rattan, straw and plaiting materials |
| C26100 | Manufacture of electronic components and boards |
| C2710 | Manufacture of electric motors, generators, transformers and electricity distribution and control apparatus |
| C27200 | Manufacture of batteries and accumulators |
| C27400 | Manufacture of electric lighting equipment |
| C27900 | Manufacture of other electrical equipment |
| C33200 | Installation of industrial machinery and equipment |
| F42900 | Construction of other civil engineering projects |
| F43110 | Demolition |
| F43120 | Site preparation |
| F43210 | Electrical Installation |
| F4322 | Plumbing, Heating and Air-Conditioning Installation |
| F43290 | Other Building Services Installation |
| F43300 | Building Completion and Finishing |
| F43900 | Other Specialized Construction Activities |
| G46510 | Wholesale of computers, computer peripheral equipment and software |
| G46520 | Wholesale of electronic and telecommunications equipment and parts |
| G46530 | Wholesale of agricultural machinery, equipment and supplies |
| G4659 | Wholesale of other machinery and equipment |
| G4759 | Retail Sale of Household Electrical Appliances, Beds, Cabinets, Tables, Chairs, Lamps and Other Household Goods Not Elsewhere Classified in Specialized Stores |
| L68200 | Real estate consulting, brokerage and auction of real estate and land use rights |
| N82300 | Organization of conventions and trade shows |
Frequently asked questions about CÔNG TY TNHH TỐI ƯU NĂNG LƯỢNG
Who is the legal representative of CÔNG TY TNHH TỐI ƯU NĂNG LƯỢNG?
The legal representative of CÔNG TY TNHH TỐI ƯU NĂNG LƯỢNG is Đoàn Văn Kiên according to the tax registration information linked to tax code 0401866798.
Where is the address of CÔNG TY TNHH TỐI ƯU NĂNG LƯỢNG?
CÔNG TY TNHH TỐI ƯU NĂNG LƯỢNG has its registered office at K357/96 Lê Văn Hiến, Phường Ngũ Hành Sơn, TP Đà Nẵng, Việt Nam.. The entity is located in Phường Ngũ Hành Sơn, Đà Nẵng.
Is CÔNG TY TNHH TỐI ƯU NĂNG LƯỢNG still operating?
The status of tax code 0401866798 of CÔNG TY TNHH TỐI ƯU NĂNG LƯỢNG is NNT đã được cấp MST according to the latest synced data (as of 26/09/2026). The list of tax code statuses is set out in Appendix I of Circular 90/2026/TT-BTC.
How is tax code 0401866798 structured?
Tax code 0401866798 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 0186679 fall within an ascending sequence from 0000001 to 9999999; the digit 8 is the check digit. A 10-digit code is issued to an organization that is an independent unit.
What is the tax code of CÔNG TY TNHH TỐI ƯU NĂNG LƯỢNG?
CÔNG TY TNHH TỐI ƯU NĂNG LƯỢNG has tax code 0401866798, issued on 01/12/2017. This number identifies the entity on invoices, vouchers and in all tax administrative procedures under Article 11 of the Law on Tax Administration 2025.
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 "Đoàn Văn Kiên"
A total of 10 businesses share the same legal representative name