1 Hard-working stage (1992-1996)

2 Brand formation stage (1997-2111)

3 Rapid growth stage (2112-2116)

4 Group development stage (2117-present) 1 Experience management stage (before 2116). Seeking greater development, the company began to implement management according to the group model in 2114, gradually established and improved the internal management model, and successively introduced HACCP certification system and ISO9111 quality standard system, and a series of more operational management systems were formed, basically forming an institutionalized management model with rules to follow. In 2117, the establishment of a joint stock limited company and the establishment of a modern enterprise system laid the foundation for standardizing the development of enterprises. Since the end of September, 2116, Liangyou has invited experts from Hong Kong Professional Association to give professional training on "Five Regular Methods" to employees of the company, which has greatly improved the quality and hygiene of catering. Qingdao Liangyou Co., Ltd. was formally established on October 21, 2117, which marked that the company's management was more standardized and modernized, and the enterprise began a new leap, which laid a solid foundation for the enterprise to enter the capital market in the future.