There may be many reasons for the closure of Wangfeihong Pork-bellied Chicken:

1. Poor management: Due to fierce competition in the catering industry, it may be difficult for Wangfeihong Pork-bellied Chicken to maintain a stable source of customers and income, which leads to difficulties in operation.

2. Epidemic impact: In recent two years, due to the impact of the epidemic, many catering enterprises have been severely impacted, and Princess Red Pork Belly Chicken is also hard to escape.

3. Return on investment: If Wang Yuhong Pork-bellied Chicken cannot achieve the expected sustained profit after investment, it may choose to close down.

The above are only possible factors, and the specific reasons need further information about the operation and market environment of Wangfeihong Pork-bellied Chicken.