Group 1: Investment and Economic Cooperation - Changsha has actively engaged with the Guangdong-Hong Kong-Macao Greater Bay Area, using Hong Kong as a bridge to the world, resulting in a significant increase in Hong Kong investment in Changsha [1][2] - In 2024, Changsha established 223 new foreign-invested enterprises, an increase of 8.3% year-on-year, with 94 of these being Hong Kong-funded, accounting for over 40% of the total [4] - Hong Kong remains the largest source of foreign investment in Changsha, with Hong Kong's investment amounting to 68.7% of the city's actual utilized foreign capital [4] Group 2: Industry Presence and Growth - There are currently 659 Hong Kong-funded enterprises in Changsha, representing 46% of all foreign enterprises in the city, primarily in manufacturing, real estate, modern logistics, wholesale and retail, leasing and business services, and finance [4] - Bluefocus Technology has established four industrial parks in Changsha, with total revenue of 17.063 billion yuan and a net profit of 429 million yuan in Q1 2025 [4][5] Group 3: Trade and Export - Changsha's exports to Hong Kong have been significant, with a cumulative import and export value of 108.61 billion yuan over the past five years [7] - Hong Kong is the largest export region for Changsha, with products such as mobile phones, gold jewelry, and electronic components being exported [7] Group 4: Cultural and Technological Integration - Changsha has become a popular destination for Hong Kong tourists, with 48,400 visitors from Hong Kong and Macao in Q1 2025, accounting for 31.9% of total inbound tourists, a year-on-year increase of 201.57% [7] - The collaboration between Changsha and Hong Kong in technology is expanding, with over 50 technology and industry cooperation projects initiated from the Guangdong-Hong Kong-Macao Innovation Park [7][8]