> Prompt: Tell me what HJ Shipbuilding & Construction does to make money and include sales by business segment

## HJ Shipbuilding & Construction — Business Overview

HJ Shipbuilding & Construction operates two main business segments: **Shipbuilding** and **Construction**.

### Shipbuilding

1. **Special Vessels (Defense)** — Naval ships and government vessels
   - Ministry of Defense orders: Large transport ships (LPX), large landing ships (LST), high-speed patrol boats (PKX-B), high-speed landing craft (LSF-II), etc.
   - Government procurement: Coast guard patrol ships, icebreaker research vessels, geophysical research vessels, eco-friendly fishery patrol ships, etc.

2. **Commercial Shipbuilding**
   - International orders: Tankers, container ships, bulk carriers, gas carriers, etc.

3. **Other**
   - Ship repair and maintenance

### Construction

1. **Building Construction** — Airports, railway stations, terminals, offices, logistics facilities, exhibition halls
2. **Residential** — Apartment construction, redevelopment/reconstruction projects
3. **Civil Engineering / Overseas** — Roads, railways, subways, ports, runways, and other infrastructure
4. **Plant Engineering** — Power generation facilities, desulfurization equipment, fueling facilities, cranes, and industrial equipment

## Revenue by Business Segment (FY2023)

| Segment | Sub-category | Revenue | Share |
| --- | --- | --- | --- |
| **Shipbuilding** | Commercial Ships | 421.0B KRW | 19.47% |
| | Special Vessels (Defense) | 303.8B KRW | 14.05% |
| | **Subtotal** | **724.8B KRW** | **33.52%** |
| **Construction** | Building | 817.0B KRW | 37.79% |
| | Civil Engineering | 409.0B KRW | 18.91% |
| | Plant | 188.0B KRW | 8.70% |
| | **Subtotal** | **1,414.0B KRW** | **65.40%** |
| **Other** | Rental, etc. | 23.3B KRW | 1.08% |
| **Total** | | **2,162.1B KRW** | **100%** |

## Key Takeaways

- **Construction** is the primary revenue driver at 65.4% of total sales
- **Shipbuilding** is the second major segment at 33.5%
- The company operates in technology-, labor-, and capital-intensive industries requiring large-scale facility investment
- Plays a significant role in national defense and infrastructure development

HJ Shipbuilding & Construction is a major domestic shipbuilder and general construction company, with particular competitive strength in defense vessels and infrastructure construction.