Core Insights - The cold-water fish industry in Hai Dong City, specifically in the Huadong Autonomous County, is experiencing significant growth, with 13 cold-water fish farming enterprises established, including 5 certified as green food and 7 recognized as "Healthy Aquaculture Demonstration Farms" by the Ministry of Agriculture [1][2] - By 2025, the county aims to achieve an annual sales volume of 85 tons of cold-water fish, generating sales revenue of 4.25 million yuan, with distribution reaching over 20 domestic cities including Beijing and Shanghai [1] Industry Development - The county leverages its unique water resources from the Yellow River, integrating various resources to promote the cold-water fish farming industry, with 420 fish farming cages covering an area of 5.4 hectares and a stock of approximately 250,000 fish, primarily triploid rainbow trout [1] - The favorable climatic conditions in the region contribute to an extended growth cycle for fish, enhancing flavor and nutritional content, with local rainbow trout showing a 15% higher unsaturated fatty acid content compared to those farmed in plains [1] Policy Support - The local government has established a special fund for the development of the cold-water fish industry, investing over 10 million yuan in support for leading enterprises and cooperatives over the past three years, injecting new momentum into the county's economic development [2] - A regular water quality monitoring and technical service mechanism has been implemented by the county's aquatic industry service center, providing efficient and convenient information services to enterprises [2]

Core Viewpoint - The "Cold Water Fish Winter Catch Season" series of activities in Heilongjiang aims to promote cold water fishery development and boost winter tourism in the region, featuring various cultural and commercial events [1] Group 1: Event Overview - The series of activities commenced on December 27, 2025, in Daqing City, focusing on cold water fish and winter fishing [1] - Activities include "Lake Worship and Net Awakening," fish auctions, and exhibitions of high-quality local products [1] - The event will run until February 7, 2026, with various county-level winter fishing activities planned [1] Group 2: Technological and Economic Developments - Experts released advancements in rainbow trout breeding technology and all-female triploid breeding techniques [1] - The China Fishery Association announced results related to the transformation of technology for cold water shrimp and smart fishery construction [1] - A total of 1.7 billion yuan in contracts were signed during the investment promotion segment, involving domestic and foreign enterprises and research institutions [1] Group 3: Tourism Promotion - The activities are part of Heilongjiang's "100 Days of Winter Ice and Snow Tourism" initiative, promoting winter fishing tourism routes [1] - The event aims to provide diverse experiences for tourists, enhancing the region's appeal as a winter tourism destination [1]