Ping An Insurance Company has always been known for its strict management in the industry. It is shocking that such a situation should happen. You haven't paid your bill for three months, and it was written off this quarter. At that time, the company will give you a notice of termination, and you can go through the resignation formalities as long as you sign it. I remember that after signing the contract, all departments will make two copies of the signed notice of cancellation, one as a time certificate for refunding the deposit for three months, and the other can be used to apply to other insurance companies.
Further reading: How to buy insurance, which is good, and teach you how to avoid these "pits" of insurance.