To comply with environmental protection, safety supervision, and occupational health regulations; to protect employee health and prevent occupational diseases; to meet requirements for client factory audits and system certifications (e.g., ISO, environmental assessments); and to promptly identify potential hazards such as leaks, abnormal odors, or excessive dust levels.

AQ generally refers to Air Quality. This includes: dust, odors, and concentrations of harmful gases inside workshops; ambient air quality within the factory premises; and indicators related to environmental emissions and occupational health.

Dust (PM2.5, PM10, total particulate matter); Toxic and harmful gases (VOCs, formaldehyde, benzene series, acid/alkali gases, etc.); Temperature, humidity, and ventilation conditions; Concentration of exhaust gas emissions.