Laboratory overall planning and design, laboratory furniture, laboratory ventilation and exhaust system, ventilation control system, waste gas treatment equipment, laboratory wastewater treatment equipment, laboratory pure water equipment.

In general, laboratory fume hoods are required when using hazardous chemicals that are: Acutely toxic, carcinogenic, or have reproductive hazards. Highly reactive. Volatile (e.g., solvents) or easily dispersible in air. Substances with uncharacterized hazards. Nanoparticles. Stench chemicals or that have a low odor threshold.