Industry code 2391 for the manufacture of refractory products, updated according to Decision 36/2025/QD-TTg. To learn more about the details of industry code 2391, please refer to this article by VN Law Firm!
1. What is a business industry code?
Business industry codes are a series of numbers encoded to represent a specific business industry. Organizations and individuals, when preparing business registration documents, must use this business industry code table for registration. Level 4 industry codes (4 digits) are used for business registration.
The Vietnam Standard Industrial Classification (VSIC) system, issued under Decision 36/2025/QD-TTg, has a hierarchical structure with 5 levels, from general to detailed:
| Level | Name | Coding | Quantity |
|---|---|---|---|
| Level 1 | Economic activity, Level 1 | 1 letter (A to V) | 22 industries |
| Level 2 | Economic activity, Level 2 | 2 digits (based on Level 1) | 87 industries |
| Level 3 | Economic activity, Level 3 | 3 digits (based on Level 2) | 259 industries |
| Level 4 | Economic activity, Level 4 | 4 digits (based on Level 3) | 495 industries |
| Level 5 | Economic activity, Level 5 | 5 digits (based on Level 4) | 743 industries |
Example of industry code structure: Taking food manufacturing as an example:
- Level 1: C (Processing and manufacturing industry)
- Level 2: 10 (Manufacture of food products)
- Level 3: 107 (Manufacture of other food products)
- Level 4: 1075 (Manufacture of prepared meals and dishes)
- Level 5: 10751 (Manufacture of prepared meals and dishes from meat)
2. Regulations on Industry Code 2391 Manufacture of Refractory Products
| Industry Code | Industry Name |
|---|---|
| 2391 | Manufacture of refractory products |
This group includes:
– Manufacture of refractory mortars, concretes, cements;
– Manufacture of refractory ceramic products such as:
+ Insulating ceramic ware from siliceous fossil materials,
+ Refractory bricks and tiles.
+ Manufacture of crucibles, pots, nozzles, pipes.
This group also includes: Manufacture of refractory products containing magnesia, magnesia and calcium oxide, chromite.
3. Suggested ways to record Industry Code 2391 Manufacture of Refractory Products
– When registering for business establishment, when notifying changes to business lines, or when requesting a change to a Business Registration Certificate, the business founder or enterprise selects the level four economic industry in the Vietnam Standard Industrial Classification to record the business lines in the enterprise registration dossier. The business registration authority guides, compares, and records the enterprise’s business lines in the National Business Registration Database.
– For conditional business lines stipulated in other legal documents, the business line shall be recorded according to the regulations in those legal documents.
Suggested ways to record Industry Code 2391 Manufacture of Refractory Products:
Case 1: General
| Industry Code | Industry Name |
|---|---|
| 2391 | Manufacture of refractory products |
Case 2: Detailed
| Industry Code | Industry Name |
|---|---|
| 2391 | Manufacture of refractory products Details: Manufacture of refractory materials, fireclay bricks, building bricks |
Case 3: Detailed
| Industry Code | Industry Name |
|---|---|
| 2391 | Manufacture of refractory products (not operating at headquarters) |
Case 4: Detailed
| Industry Code | Industry Name |
|---|---|
| 2391 | Manufacture of refractory products Details: Manufacture of: refractory products: refractory bricks, heat-resistant pipes, heat-resistant concrete (not manufactured at headquarters) |
Note: Depending on each specific industry and business line, as well as specific regulations in each locality, it may be necessary to provide detailed information for the 4-digit industry code or commit to operating according to regulations.
4. Business line change service for companies and enterprises at VN Law Firm
The service for changing business lines for companies and enterprises at VN Law Firm saves customers a significant amount of time and effort. With VN Law Firm, you will be provided with business line change services for companies and enterprises, including:
- Consultation on the process and procedures for changing or supplementing business lines;
- Consulting clients on preparing necessary documents;
- Drafting and submitting on behalf of clients the dossier for changing or supplementing the company’s or enterprise’s business lines at the Business Registration Office;
- Monitoring the dossier, supplementing or correcting the dossier (if any) as required by the specialist;
- Carrying out procedures for publicizing enterprise registration information on the Information Portal;
- Handing over the certificate of business line change;
- Guiding customers on procedures to note after changing business lines…
