| [活动大咖] Mr. Deep Kalra 2020-12-01 |
| [活动大咖] Prof. Dr.-Ing. Thomas Wimmer 2020-12-01 |
| [活动大咖] 国家防爆设备质量监督检验中心（广东）教授级高工 2020-12-01 |
| [活动大咖] Fares Howari 2020-12-01 |
| [活动大咖] Linglon Zou 2020-12-01 |
| [活动大咖] Mr. Deep Kalra 2020-12-01 |
| [活动大咖] Prof. Dr.-Ing. Thomas Wimmer 2020-12-01 |
| [活动大咖] 国家防爆设备质量监督检验中心（广东）教授级高工 2020-12-01 |
| [活动大咖] Fares Howari 2020-12-01 |
| [活动大咖] Linglon Zou 2020-12-01 |
