Professional cleaning institutions shall set up special quality management departments, establish and improve the quality management rules and regulations of the whole cleaning process of air conditioning duct system and the file and data storage system of cleaning projects, and formulate specific cleaning operation procedures, cleaning quality assurance measures and self-inspection methods.
L4.2 safety management
Professional cleaning institutions should formulate strict safety management systems, mainly including personal safety, personal protection, equipment safety, environmental protection and pollutant treatment systems for on-site safety officers and on-site staff.
L4.3 safety measures
Professional cleaning institutions should provide necessary personal safety protection equipment, personal protective equipment and electrical safety protection devices for on-site cleaning personnel.