Group 1 - The core viewpoint of the articles highlights the successful completion of black bean planting in Ming Shui County, with a total area of 23,500 acres dedicated to black bean cultivation this year [1] - Ming Shui County is located in a prime agricultural zone with favorable conditions for black bean farming, including rich black soil averaging over 1.5 meters in thickness and long sunlight hours [1] - The county has adopted a "smart agriculture + full industry chain" strategy to enhance the black bean industry, focusing on green, deep processing, and high-end development to promote rural revitalization [1] Group 2 - Ming Shui County has developed a comprehensive industry chain from black bean planting to deep processing, transitioning from single-use to diversified product development [2] - The black bean processing industry has evolved from a short, open supply chain to a long, closed industry chain, producing various products such as black bean powder, oil, wine, and vinegar [2] - To boost sales, Ming Shui County has established an online and offline marketing system centered around a digital economy incubator, direct sales stores, and chain supermarkets, with black bean products gaining popularity in major markets like Beijing, Shanghai, and Guangzhou [2]