Health contract is life-long critical illness insurance, and it is a group insurance product of Taikang pension. The premium of this product is low, the high-risk diseases are basically included, and the symptoms are mild, so it can be exempted. There are several similar new products for reference, with wider coverage and lower premium. We can talk in private.
Further reading: How to buy insurance, which is good, and teach you how to avoid these "pits" of insurance.