Group 1 - The core idea of the article is the collaboration between Hainan and Ningxia to promote a "South-North Cooperation" model in aquaculture, specifically focusing on shrimp seedling transportation and cultivation [1][2][3] - Hainan is a significant source of shrimp seedlings in China, producing 200 billion seedlings annually, with 80% sold to other provinces [2] - The recent event in Ningxia resulted in the signing of five shrimp seedling orders, totaling 25 million Pacific white shrimp and 50 million Macrobrachium rosenbergii seedlings [2] Group 2 - Ningxia has been leveraging national policies for the comprehensive utilization of saline-alkali land, successfully cultivating various marine species, including shrimp and fish, for the past decade [2] - The partnership between Hainan and Ningxia is characterized by strong resource complementarity, with both regions benefiting from each other's strengths in shrimp breeding and aquaculture development [3] - A strategic cooperation agreement was signed between the aquaculture technology promotion stations of Hainan and Ningxia, establishing a center for the exchange of scientific and technological achievements in the shrimp industry [3]