Explanation:

• China successfully launched “APSTAR-6D” telecommunication satellite via a Long March 3B carrier rocket from Xichang Satellite Launch Center. 
• China Academy of Space Technology has developed the commercial satellite ‘APSTAR-6D’. APSTAR-6D marked the 18th Rocket Launched by China in the year 2020.
• The APSTAR-6D satellite was developed by the China Academy of Space Technology Corp.(CASC), a subsidiary of China Aerospace Science and Technology Corp.