In golden autumn and September, the crabs are plump. On September 15, in Panjin City, Liaoning Province, the opening ceremony of the "River Crab Catching Festival" and "Photosynthetic Crab Industry-JD. Jingdong Fresh will rely on its supply chain advantages to help Panjin River Crab achieve a comprehensive upgrade of the "production-market-transportation" integration, so as to maximize the premium capacity of agricultural products, strengthen the origin and brand building, and use this as an industry driving force , to promote the precise policies of supporting, helping and benefiting farmers, and assisting the digital development of the local crab industry belt.