| 1 | Does it have a lock? | |
| 2 | Two-lock and key unparalleled in Beijing, the Great Wall, the first hurdle. | |
| 3 | We believe that the Nano Technology is a magic key towards a better life. | |
| 4 | Due to difficult terrain, known as "two lock and key unparalleled in Beijing, the Great Wall the first hurdle, " said. | |
| 5 | This is the Silk Road Chinese culture and the cultural crossroads of the Great Wall, known as "city of Ha Tay, " Suoyue border. |