Group 1 - The event "Guanghuo Xing Tianxia: Zhongshan Goods Enter Shanghai" was launched, featuring nearly 800 products from around 300 Zhongshan enterprises, including high-tech companies like Gree, TCL, and Galanz [1][2] - The event aims to promote cultural exchange and business opportunities between Zhongshan and Shanghai, showcasing products such as smart robots, lighting, and specialty foods [1] - The event is part of a broader initiative by the Guangdong Provincial Government to promote local products and enhance the city image of Zhongshan [2] Group 2 - The event includes a public call for contributions related to the history of Zhongshan residents in Shanghai, aiming to collect written records and images reflecting the cultural ties between the two cities [2] - The event is guided by the Guangdong Provincial Party Committee and the Guangdong Provincial Department of Industry and Information Technology, indicating strong governmental support [2]