Royal Niuxuan has nothing to do with Royal Niudao. Shenzhen Yuniudao Catering Management Co., Ltd. is located at Room 4 1 1, 4th floor, East Garden Industrial Factory Building, Nanhai Avenue, Nanshan Street, Nanshan District, Shenzhen. This is a Japanese barbecue restaurant. Yu Niu Xuan is a Japanese restaurant located at No.83 Qianlong Road, jiangdong district, Ningbo. Royal Niuxuan and Royal Niudao are restaurants in two cities, which are not related.