To get some analysis, we have Professor Yang Yuguang, from the China Aerospace Science and Industry Corporation. Welcome.

Q1, China is aiming to launch its first mission to Mars around 2020. What's the significance of it?

Q2, And at the conference it was announced that April 24th will be the National  Day of Spaceflight. Why do you think the country needs such a day?

To date, China has signed over 100 cooperation deals with more than 30 countries, space agencies and international organizations.

As for the building of satellite constellations, the country has conducted multiple joint tasks with BRICS countries, as well as members from the Asia-Pacific Space Cooperation Organization.

In 2007, China's indigenous BeiDou navigation system gained UN recognition, making China one of the four core providers designated by the International Committee on Global Navigation Satellite System, with the US, Russia and European Union. Aerospace product exports are also expanding. Statistics show more than 40 commercial satellite launches, and 9 commercial satellites for international users.