How many years of old-age insurance does the chef in Zhong Ding canteen in Ningguo have?

Fifteen years. The insured person of Ningguo Zhong Ding canteen reaches the statutory retirement age and receives the basic pension on a monthly basis, while the chef retires when he reaches the statutory retirement age. Ningguo Zhong Ding People's Dining Hall is located in Xuancheng City, Anhui Province, and was established in 2022.