Industry Code 3311 Repair and maintenance of prefabricated metal products Code 3311 Repair and maintenance of fabricated metal products, updated according to Decision 36/2025/QD-TTg. To learn more about the details of industry code 3311, please refer to this article by VN Law Firm!
1. What is a Business Line Code?
A business line code is a coded sequence of numbers representing a specific business line. Organizations and individuals preparing business registration dossiers must use this business line code table for registration. The 4-digit (level 4) code is the code 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 | Level 1 Economic Sector | 1 letter (from A to V) | 22 sectors |
| Level 2 | Level 2 Economic Sector | 2 digits (following Level 1) | 87 sectors |
| Level 3 | Level 3 Economic Sector | 3 digits (following Level 2) | 259 sectors |
| Level 4 | Level 4 Economic Sector | 4 digits (following Level 3) | 495 sectors |
| Level 5 | Level 5 Economic Sector | 5 digits (following Level 4) | 743 sectors |
Example of sector code structure: Taking the food production sector as an example:
- Level 1: C (Processing and Manufacturing Industry)
- Level 2: 10 (Food Processing Production)
- 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 Sector Code 3311 Repair and Maintenance of Fabricated Metal Products
| Sector Code | Sector Name |
|---|---|
| 3311 | Repair and maintenance of fabricated metal products |
This group includes:
– Repair and maintenance of fabricated metal products in industry group 25 (Manufacture of fabricated metal products (except machinery and equipment)) such as:
+ Repair of metal tanks, reservoirs, and containers,
+ Repair and maintenance of pipelines,
+ Mobile welding repair,
+ Repair of steel cargo containers for ships,
+ Repair and maintenance of other steam and gas generators.
– Repair and maintenance of auxiliary components for steam generators such as: Capacitors, economizers, boilers, superheaters, accumulators;
– Repair and maintenance of nuclear reactors, excluding isotope separators;
– Repair and maintenance of electric or marine boilers;
– Repair of plate/panel sections of central heating boilers and radiators;
– Repair and maintenance of weapons and military equipment (including repair of sporting and recreational firearms).
Excludes:
– Sharpening of knives and saws is classified under group 33120 (Repair and maintenance of machinery and equipment);
– Repair and maintenance of shopping trolleys is classified under group 33150 (Repair and maintenance of transport equipment (except motor vehicles, motorcycles, mopeds and other motor vehicles));
– Repair of central heating systems is classified under group 4322 (Installation of water supply, drainage, heating and air conditioning systems);
– Locksmith services are classified under group 80190 (Other security services).
3. Suggested Ways to Record Sector Code 3311 Repair and Maintenance of Fabricated Metal Products
– When registering a new enterprise, when notifying changes to business lines, or when requesting a change to the Enterprise Registration Certificate, the enterprise founder or the enterprise selects the four-digit economic sector from the Vietnam Standard Industrial Classification System to record the business lines in the enterprise registration dossier. The business registration authority guides, cross-references, and records the enterprise’s business lines in the National Enterprise Registration Database.
– For conditional business lines stipulated in other legal documents, the business line shall be recorded according to the sector specified in those legal documents.
Suggested ways to record Sector Code 3311 Repair and Maintenance of Fabricated Metal Products:
Case 1: General
| Sector Code | Sector Name |
|---|---|
| 3311 | Repair and maintenance of fabricated metal products |
Case 2: Detailed
| Sector Code | Sector Name |
|---|---|
| 3311 | Repair and maintenance of fabricated metal products Details: Repair and maintenance of fabricated metal products |
Case 3: Detailed
| Sector Code | Sector Name |
|---|---|
| 3311 | Repair and maintenance of fabricated metal products (Excluding metal treatment, coating, plating) |
Case 4: Detailed
| Sector Code | Sector Name |
|---|---|
| 3311 | Repair and maintenance of fabricated metal products (not operating at the head office, only operating when competent authorities approve the investment policy and all business conditions stipulated by law are met) |
Note: Depending on each specific business line code and local regulations, it may be necessary to provide detailed descriptions for the 4-digit sector code or commit to operating in accordance with regulations.
4. Business Line Change Services for Companies and Enterprises at VN Law Firm
Business line change services for companies and enterprises at VN Law Firm help clients save considerable time and effort. With VN Law Firm, you will be provided with business line change services for companies and enterprises, including:
- Consulting on the process and procedures for changing or adding business lines;
- Advising clients on preparing necessary documents;
- Drafting and submitting, on behalf of clients, dossiers for changing or adding business lines of the company or enterprise at the Business Registration Office;
- Monitoring the dossier, supplementing or amending it (if necessary) as required by the specialist;
- Carrying out procedures to publicize enterprise registration information on the Information Portal;
- Handing over the certificate of business line change;
- Guiding clients on necessary procedures to note after changing business lines…
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