Weihai Zhou Dasheng Jewelry Store. Weihai Zhou Dasheng Jewelry Store has a price tag for selling jewelry. Weihai, alias ahava, is a prefecture-level city under the jurisdiction of Shandong Province. It is located in the east of China and the eastern end of Shandong Peninsula. North, east and south are bordered by the Yellow Sea, with Liaodong Peninsula in the north, Korea Peninsula across the sea in the east and Yantai in the west.