Sandu Port Marine Products Co., Ltd. is a comprehensive enterprise that integrates water product research and development, seedling cultivation, aquaculture, processing, distribution, and sales. It specializes in building the Ningde Dahuangyu brand and focuses on the development of the marine food consumption market. Sandu Port is a brand under Sandu Port Marine Products Co., Ltd., and it is also a seafood brand with significant market influence in China. The brand's products are centered around Dahuangyu (large yellow croaker) and also cover categories such as eel and sea bass, catering to the different needs of customers in bulk purchasing, catering, and household consumption.