Core Points - The Wenchang Yaoguang Rocket Viewing Platform in Hainan officially commenced operations on May 20, 2023, coinciding with the "520 Aerospace Carnival Yaoguang Premiere" event, attracting thousands of attendees to celebrate China's space technology [5][6]. Group 1: Platform Details - The viewing platform is located approximately 2 kilometers from the Hainan commercial launch site and about 6 kilometers from the Wenchang launch site [5]. - Covering an area of approximately 19,000 square meters, the platform can accommodate over 2,000 people, featuring three levels: the first level for exhibitions and performances, and the second and third levels designated for viewing [5]. Group 2: Event Highlights - The event included a "Cloud Music Concert" that commenced with a piano performance, followed by the launch of the Long March 7 modified carrier rocket at around 7:50 PM, which was met with enthusiastic participation from the audience singing "My Motherland and I" [5]. - Attendees expressed excitement and pride in witnessing the rapid development of China's space industry, with personal stories highlighting the significance of the event for many, including couples celebrating meaningful moments [6][7].

Core Points - China successfully launched the Zhongxing 3B satellite using the Long March 7 modified carrier rocket from the Wenchang Space Launch Site [1] - The satellite has successfully entered its designated orbit and the launch mission is considered a complete success [1] - The primary purpose of the satellite is to provide voice, data, and broadcasting television transmission services to users [1]

Group 1 - The 13th China-Japan-South Korea Economic and Trade Ministers' Meeting was held in Seoul, focusing on enhancing trade and investment cooperation and achieving broad consensus on regional and multilateral cooperation [2] - The Ministry of Finance plans to invest 500 billion yuan in four major banks (China Construction Bank, Bank of China, Bank of Communications, and Postal Savings Bank) to supplement their core tier one capital [2] - The Civil Aviation Administration of China issued the first operational certificates for manned civil unmanned aerial vehicles to two companies, marking the beginning of the "manned era" in China's low-altitude economy [2] Group 2 - Starting in April, several banks will raise the annual interest rate on credit consumer loans to no less than 3%, prompting banks to notify customers to withdraw funds before the increase [4] - The domestic automobile sales growth is projected to be around 3%-4% this year, with a slight decline expected next year, according to the Deputy Director of the Market Economy Research Institute [4] - Great Wall Motors has signed a strategic agreement with Yushu Technology for collaboration in motion control and application development in factories and automotive scenarios [4] Group 3 - China National Offshore Oil Corporation announced the discovery of a large oil field in the eastern South China Sea, showcasing the potential for oil and gas exploration in deep-water areas [4] - A successful launch of the communication technology test satellite was conducted using the Long March 7 rocket, marking the 566th flight of the Long March series [5] - Sichuan Province aims to cultivate over 10 leading enterprises in the low-altitude economy by 2026, with an industry scale exceeding 50 billion yuan [5]