Health certificate refers to the proof of preventive health examination, which proves that the examinee has the health quality to engage in the prescribed business. Health certificate mainly involves six diseases in five industries, which largely protects the health of employees and clients.
There are four kinds of health certificate ABCD, each corresponding to different industries, as follows: Class A: Physical examination of employees in catering industry, food factory, canteen, water plant and water dispenser factory. Class B: Physical examination of employees in tourism, culture and entertainment, beauty salons, shopping malls, cosmetics factories and health centers. Class C: Physical examination of general occupational recruitment in general factories and enterprises. Class D: Physical examination of electricians, elevator workers, boiler workers and other high-temperature aerial workers.