Health certificate work type code

Yes, and at least a D certificate is required. Classification of health certificate: a: people who directly serve customers in public places; B: personnel engaged in the production and management of drinking water; C: personnel directly engaged in cosmetics production; D: personnel engaged in food circulation and consumption (including health food production and processing, box lunch production); E: personnel engaged in food production and processing enterprises; F: Others (refers to those who are not explicitly engaged in the above work).