According to the official store information of Weihai Jiajiayue, Weihai Jiajiayue is open for business at eight o'clock in the morning every day.

Shandong Jiajiayue Group Co., Ltd, formerly known as Shandong Weihai Sugar and Wine Purchasing and Supply Station, is the smallest second-tier wholesale enterprise in the province's sugar and wine industry during the original planned economy, founded in 1974. Since 1995, the development of chain management, with more than 300 chain stores, sales network expanded to the Shandong Peninsula Weihai, Yantai, Weifang, Qingdao, Jinan, Linyi and other places in 22 cities and counties, with a total business area of more than 300,000 square meters, more than 30,000 varieties of goods, forming a hypermarket, supermarkets, discount stores and other modes of business and the pattern of the 2009, to achieve a sales revenue of 10.1 billion yuan, and various economic indicators for eight years. In 2009, the company realized sales revenue of 10.1 billion yuan, and all economic indicators have been increasing at a rate of more than 50% for eight consecutive years, and its comprehensive strength has been among the top 50 chain stores in China for five consecutive years, and it ranked 35th in China's chain store industry in 2009.