Changhai County, subordinate to Dalian, Liaoning Province, is the only island county in Northeast China and the only island county on the border in China. With four distinctive seasons, it is warm in winter and cool in summer. Located in the famous Haiyang Island fishing ground, it is home to nearly a hundred kinds of fish, more than twenty kinds of shellfish, and more than ten kinds of algae. Aquatic products such as sea cucumber, abalone, sea urchin, and scallop enjoy a great reputation both at home and abroad.