The main specialties are: sea cucumber, kelp, abalone, shrimp, scallop, snail and other seafood, as well as embroidery, shell carving and other handicrafts. Dalian is the birthplace of China shell carving. Taking hundreds of kinds of shells as raw materials, such as pink Jiangbei of Songhua River, orange Folby of Changsha, golden snail of Hainan Island and local coastal clam. According to the color and shape characteristics of each shell, it is refined into a semi-three-dimensional relief shell sculpture of flowers, birds, landscapes and figures by using China traditional carving techniques and Chinese painting composition, which is vivid and realistic. Dalian craft embroidery has its unique northern style and characteristics, which are mainly divided into two categories, one is machine embroidery and the other is embroidery.