Since 1968, Shidai Marine has been engaged in kelp aquaculture, and has been devoted to the research and development of kelp, a large brown algae, from kelp aquaculture and kelp food processing to the extraction of kelp by biological methods. With the continuous deepening of exploration, it is increasingly recognized that kelp is a treasure endowed by nature to mankind, and it has its unique regulatory effect on plants, animals and human body.