| Seat A: 09:00 - 17:00, Beijing time |
 |
| David CHANG |
| Cell：+86 139 1086 3852 |
| Mail：david.chang@oci.net.cn |
| Wechat：186 1139 7599 |
| Seat A: 09:00 - 17:00, Beijing time |
|
| David CHANG |
| Cell：+86 139 1086 3852 |
| Mail：david.chang@oci.net.cn |
| Wechat：186 1139 7599 |