Workshop
 |  |
Pipe-making Workshop | Polishing Workshop |
 |  |
| Warehouse | Office Building |
 |  |
| Showroom | The Pipe Controling Workshop |
 |  |
| The Pipe Controling Workshop | Packing Workshop |
| |
Pipe-making Workshop | Polishing Workshop |
| |
| Warehouse | Office Building |
| |
| Showroom | The Pipe Controling Workshop |
| |
| The Pipe Controling Workshop | Packing Workshop |
