| 🏗️ Construction Engineering | High-rise building frame, factory steel structure, stadium roof truss |
| 🌉 Bridge Engineering | Highway bridge, railway bridge, pedestrian overpass main beam |
| 🏭 Industrial Facilities | Power station boiler support, petrochemical equipment frame, mining machinery |
| 🚢 Shipbuilding | Hull structure, deck frame, bulkhead stiffener |
| 🚂 Rail Transit | Vehicle chassis, track sleeper beam, platform canopy |
| 🏗️ Tower & Mast | Power transmission tower, communication tower, wind power tower |
| 🏠 Agricultural Facilities | Greenhouse frame, livestock breeding shed frame |