1, Class A: mainly suitable for catering, food, beauty, washing and pharmaceutical production and sales personnel. Class A health certificate will be relatively strict, because it is a direct first-line contact with food, so the requirements for physical examination will be slightly stricter.
2. Class B: for employees in the catering service industry and people other than Class A. Class B health certificates may be managers or other personnel in some catering service industries who are not in direct contact with food.