- Door: Broken bridge aluminum door, 1920*2200mm
- Window: Broken bridge aluminum window + screen window, 1120mm*1100mm
- Cupboard: Kitchen wall with hanging cabinet, single face
- SPCfloor: SPCfloor
- Graphene integrated board: outer wall
- Electric Socket: American-Standard
Product Overview:


Specifications:
| Double wing expansion box | |||
| sequence | Name | Interior pattern | specification |
| 1 | 20foot wings | Two bedrooms, one living room, one bathroom and one kitchen | 5900*6300*2480 |
| 2 | 40 foot wings | Three bedrooms, one living room, one bathroom and one kitchen | 11000*6140*2480 |
| 3 | door | Broken bridge aluminum door | 1920*2200mm |
| 4 | window | Broken bridge aluminum window + screen window | 1120mm*1100mm |
| 5 | cupboard | Kitchen wall with hanging cabinet | single face |
| 6 | SPCfloor | SPCfloor | |
| 7 | Graphene integrated board | outer wall | |
| 8 | Electric Socket | American-Standard | |

