Generally speaking, China PICC has 2-3 branches in each province or municipality. Their business scope is different. There are property insurance, health insurance and life insurance. Therefore, the branches generally established are: PICC P&C XX Branch, PICC Health Insurance XX Branch and PICC Life Insurance XX Branch.
Therefore, you must first find out which company PICC is.
Further reading: How to buy insurance, which is good, and teach you how to avoid these "pits" of insurance.