Undaria pinnatifida is an important cultured algae in Lushunkou District of Dalian. Because of its special geographical location, it is most suitable for Undaria pinnatifida growth. At present, it has the largest Undaria pinnatifida production base in China, with an area of 1,333 hectares. Undaria pinnatifida, which grows here, has a large algae body, high finished product rate, high protein content, fresh and smooth taste and rich nutrition, and is favored by consumers. It is one of the main export products in Lushunkou District.
"Undaria pinnatifida" passed the examination of the Trademark Office of the State Administration for Industry and Commerce and was registered as a geographical indication certification trademark.