Laosunjia Restaurant was founded in 1898 (Guangxu period of Qing Dynasty), and it belongs to Xi 'an Tourism Group and Xi 'an Catering Company. Headquartered at No.78, Dongguan Main Street, beilin district, Xi 'an. It owns three old Muslim brands, namely "Lao Sunjia", "Baiyun Zhang" and "Qingyazhai".