HARBIN, China, Feb. 05, 2026 (GLOBE NEWSWIRE) -- Riding the wave of the Spring Festival travel rush, the "Black Soil Premium" brand, a provincial-level high-quality agricultural brand developed by the Department of Agriculture and Rural Affairs of Heilongjiang Province, has recently made a high-profile appearance at three major international airports in Shanghai, Guangzhou and Shenzhen, greeting travelers from home and abroad. A Media Snippet accompanying this announcement is available by clicking on this ...