| Date | Description |
|---|---|
| 2021-08-22 | delete address Building, No.39 Shiling Road, Laoshan District, Qingdao, China |
| 2021-08-22 | delete address No. 39, Shiling Road, Laoshan District, Qingdao, China |
| 2021-08-22 | insert address Building, No.39 Shiling Road, Qingdao, China |
| 2021-08-22 | insert address No. 39, Shiling Road, Qingdao, China |
| 2020-07-15 | delete address No.39 Shiling Road, Laoshan, Qingdao,China |