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Group 1: Overview of Lychee Production in Guangdong - Guangdong is the largest lychee producer in the world, with an area of approximately 4.2 million acres, a 30% increase in cultivation area compared to last year [1] - The lychee harvest season in Guangdong runs from mid-May to mid-July, with different regions maturing at different times [1] - Despite lower purchase prices this year, the abundant harvest has made lychee a profitable crop for local farmers [1] Group 2: Technological Innovations in Lychee Preservation and Transportation - Advances in technology have transformed lychee preservation from "one-day color change" to "available all year round" through a comprehensive cold chain system [2] - The introduction of drone transportation has significantly reduced logistics costs, with a cost of approximately 0.15 yuan per kilogram compared to 0.4-0.5 yuan for traditional methods [10] - Drones can carry 170 kilograms of lychee and travel one kilometer in just five minutes, addressing transportation challenges and reducing losses [12] Group 3: Cold Chain and Preservation Techniques - "Pre-cooling" stations have been established in the fields to lower the respiration rate of freshly harvested lychees, enhancing preservation [15] - The "frozen dormancy technology" allows lychees to be frozen at -196°C, preserving their original color and flavor for year-round availability [20] Group 4: Logistics and Distribution Network - Guangdong's lychee air transport network connects major cities, with direct flights to 37 cities, ensuring rapid delivery [21] - The logistics process involves multiple stages, including sorting and packaging, with a daily processing capacity of 1.52 million packages at the Guangzhou air transport hub [27][30] - High-speed rail services have been established to transport lychees quickly, with a travel time of about four hours from Guangzhou to Wuhan [51] Group 5: International Market Expansion - Dongguan has achieved its first large-scale lychee export to Dubai, with a delivery time of approximately eight hours [60][62] - Other regions in Guangdong are also expanding their international markets, with lychees being exported to countries like Belarus and Hungary for the first time [68]