(From right) Zhang He, executive director of the Chang'e 4 probe project; Xie Jun, deputy chief designer of the Beidou Navigation Satellite System; and Sun Zezhou, chief designer of the Tianwen 1 Mars probe attend a sharing session at the Hong Kong Polytechnic University on June 24, 2021. (EDMOND TANG / CHINA DAILY)

HONG KONG - Three of China's top national aerospace scientists on Thursday afternoon held a sharing session with colleagues from the Hong Kong Polytechnic University as part of their exchange tour in Hong Kong.

The scientists - Xie Jun, deputy chief designer of the BeiDou Navigation Satellite System; Zhang He, executive director of the Chang’e-4 probe project; and Sun Zezhou, chief designer of Tianwen 1 - and five young scientists from China Aerospace Science and Technology Corporation, the state-owned satellite and rocket maker, shared the latest space science and technology happenings.

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About 40 people, including 23 faculty members and students from the university – most of whom participated in previous national aerospace missions, joined the event. The university has been an active participant in the nation’s deep-space missions.

The sharing session is part of a series of activities being held across the city during a five-day visit by six of the nation’s top aerospace experts. 

Teng Jin-guang, president of the Hong Kong Polytechnic University (PolyU), delivers a speech at a sharing session at PolyU on June 24, 2021. (EDMOND TANG / CHINA DAILY)

Dong Jie, one of the youth representatives from China Aerospace Science and Technology Corporation, the state-owned satellite and rocket maker, speaks during a sharing session at the Hong Kong Polytechnic University on June 24, 2021. (EDMOND TANG / CHINA DAILY)

Students and faculty members of the Hong Kong Polytechnic University (PolyU) attend a sharing session at PolyU on June 24, 2021. (EDMOND TANG / CHINA DAILY)