Chongwenmenwai Street, Dongcheng District, Beijing. Deep-sea Fish Stir-fry belongs to Beijing Bihai Space-time Internet Service Co., Ltd. According to Baidu map, its headquarters is located in Chongwenmenwai Street, Dongcheng District, Beijing, where the transportation is convenient, the guest flow is large and there are many customers. Its snacks are delicious, cheap and cost-effective, and are deeply loved by people nearby.