1. Education sanitation: (1) Campus hygiene, starts from kindergarten!
(2) Preventive disinfection, curbing campus infectious diseases, charge ahead!

2. Public health: Renovating the stench toilets, who else but Cleanbay!

3. Medical health: Nosocomial infection control, occupies the high end!

4. Agriculture, fishery and animal husbandry: Prevention and control of agricultural and aquatic diseases.

5. Industrial pollution control and water treatment: Swimming pool water purification.