Weihai is China's largest kelp breeding base. It is affected by the specific natural environment such as water temperature and climate. Compared with the kelp produced in the southern coastal areas, Weihai kelp has thick algae and the highest content of alginate, mannitol and iodine. China's domestic iodine industry, seaweed chemical industry's preferred raw materials, has a very significant geographical advantage. "Weihai kelp" products have superior quality, longer temperature period than common kelp, large pigmentation, good dry color, large algae skirt, anti-corrosion. It also contains a lot of vitamins and trace elements. It has the functions of lowering blood fat, lowering blood pressure, lowering blood sugar, resisting tumor and preventing cancer, as well as various health care functions such as delaying aging, beauty, puzzle and health. It is a marine pure green food with great nutritional and health value.

Weihai fig special varieties of green skin, selenium-rich fruit, containing 18 amino acids, 8 of which are essential amino acids, containing a variety of vitamins, of which Vc content is 2-3 times that of oranges, rich in calcium, iron, zinc and other trace elements, Rich in nutrients such as dietary fiber and carotene.

Weihai's unique geographical location and superior natural conditions make it ideal for high-quality sea cucumber growth. Because Weihai is located at the easternmost tip of the Shandong Peninsula, it has nearly 1,000 kilometers of golden coastline. There are no large industrial enterprises along the coast. The offshore waters are far from the estuaries of the rivers. The seabeds in the sea areas are relatively flat. The seabed is mostly mixed with reefs or siltstones. Algae resources. There are many varieties, abundant plankton, no pollution and fertile water quality. The annual average temperature of shallow sea is 10°C to 15°C, and the annual average salinity is about 30‰. The sea area within the -15m isobath for the growth of sea cucumber is 3.3 million mu. It is an ideal place for the growth of sea cucumber.