Group 1 - The Straits Seafood Trading Center in Fuzhou is a significant seafood spot in China, with a trading area of 300,000 square meters, including live, chilled, and frozen sections [3] - The ice-fresh area spans approximately 8,000 square meters, featuring fixed stalls and mobile selling points, resembling a "Yiwu" market for seafood [5] - The center primarily serves wholesalers from various regions, with transactions typically involving large quantities, indicating that products are quickly distributed to local markets [7] Group 2 - The trading volume has significantly increased, with over 300 species of seafood available, including local varieties and imports from countries like Australia and Indonesia [11] - During the peak trading season from New Year's to Spring Festival, the daily trading volume in the ice-fresh area has surged from around 3,000 tons to over 6,500 tons [13] - There is a notable rise in the trading volume of high-end seafood products, such as grouper and king crab, with sales increasing from 200 pounds to 500-600 pounds daily in recent weeks [16] Group 3 - The Liao Yu International Seafood Trading Center in Dalian features a unique auction system for seafood, attracting many fishermen to sell their fresh catches [17] - Over 200,000 pounds of various seafood are auctioned daily, with more than 200 participating dealers, ensuring that prices start above market rates to protect fishermen's interests [19] - The auction system allows for quick sales and high prices for fishermen, with over 1,000 unloading trips per year and an annual trading volume of 100,000 tons, generating around 750 million yuan in revenue [28]