Công Ty TNHH Kỹ Thuật Hải Nguyên
| Tax code | 0312022506 |
| Vietnamese name | Công Ty TNHH Kỹ Thuật Hải Nguyên |
| Abbreviated name | HAI NGUYEN TECHNOLOGY CO., LTD |
| English name | HAI NGUYEN TECHNOLOGY COMPANY LIMITED |
| Trading name | HAI NGUYEN TECHNOLOGY CO., LTD |
| Address | 330/12 đường Ba Đình, Phường Chánh Hưng, TP Hồ Chí Minh, Việt Nam. |
| Legal representative | Trịnh Trọng Hiếu |
| Business registration certificate issue date | 24/10/2012 |
| Operations start date | 24/10/2012 |
| Fiscal year end | 31/12 |
| Data updated | 12/06/2026 19:23 |
Part of the "Tax Code Cleanup" campaign
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Công Ty TNHH Kỹ Thuật Hải Nguyên is currently in status Not operating at registered address. Delayed handling may incur late payment interest and administrative penalties. Use our tool to estimate the penalty and get a route to resolve it.
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Business lines
| E3700 | Sewerage and wastewater treatment |
| C33200 | Installation of industrial machinery and equipment |
| E36000 | Water collection, treatment and supply |
| E38210 | Treatment and disposal of non-hazardous waste |
| E3822 | Treatment and disposal of hazardous waste |
| E39000 | Remediation activities and other waste management services |
| F41000 | Construction of buildings |
| F4322 | Plumbing, Heating and Air-Conditioning Installation |
| F43290 | Other Building Services Installation |
| G46510 | Wholesale of computers, computer peripheral equipment and software |
| G46520 | Wholesale of electronic and telecommunications equipment and parts |
| G4659 | Wholesale of other machinery and equipment |
| M7110 | Architectural and engineering activities and related technical consultancy |
| M71200 | Technical testing and analysis |
Frequently asked questions about Công Ty TNHH Kỹ Thuật Hải Nguyên
What business lines does Công Ty TNHH Kỹ Thuật Hải Nguyên operate in?
The main business line of Công Ty TNHH Kỹ Thuật Hải Nguyên is Thoát nước và xử lý nước thải (business line code E3700). The entity is also registered for 13 additional business line(s), all listed under "Business lines" above.
Does Công Ty TNHH Kỹ Thuật Hải Nguyên have any other names?
Besides its full name, Công Ty TNHH Kỹ Thuật Hải Nguyên is also registered under the name HAI NGUYEN TECHNOLOGY COMPANY LIMITED. When searching, either this name or tax code 0312022506 will return the same result.
What is the tax code of Công Ty TNHH Kỹ Thuật Hải Nguyên?
Công Ty TNHH Kỹ Thuật Hải Nguyên has tax code 0312022506, issued on 24/10/2012. This number identifies the entity on invoices, vouchers and in all tax administrative procedures under Article 11 of the Law on Tax Administration 2025.
Is Công Ty TNHH Kỹ Thuật Hải Nguyên still operating?
The status of tax code 0312022506 of Công Ty TNHH Kỹ Thuật Hải Nguyên is NNT không hoạt động tại địa chỉ đã đăng ký according to the latest synced data (as of 12/06/2026). The list of tax code statuses is set out in Appendix I of Circular 90/2026/TT-BTC.
Who is the legal representative of Công Ty TNHH Kỹ Thuật Hải Nguyên?
The legal representative of Công Ty TNHH Kỹ Thuật Hải Nguyên is Trịnh Trọng Hiếu according to the tax registration information linked to tax code 0312022506.
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 Chánh Hưng
4,495
Total businesses
1,438
Operating
3,036
Ceased / suspended
0
New in last 90 days
Across Thành phố Hồ Chí Minh: 469,631 businesses, of which 182,794 are operating.
Common business lines
By legal form
Limited liability company
3,422
Single-member limited liability company
478
Joint stock company
370
Sole proprietorship
173
Law office / notary office / bailiff office
13
Other state agency
8
By status
Not operating at registered address
2,605
Taxpayer issued tax code
1,436
Temporarily suspended operations
177
Ceased operations; tax code closure not yet completed
161
Ceased operations; tax code closure completed
93
Pending verification of operating status at registered address
17
Businesses with legal representative "Trịnh Trọng Hiếu"
A total of 2 businesses share the same legal representative name