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The fume hood is the most important air supply carrier in the laboratory.Most of the experiments carried out in the fume hood producetoxic and harmful gases or dust, which is directly related to the safety of the experimental operators and the quality of the laboratoryair environment.The fume hoods independently deveioped and produced by our company have passed CMA, ASHRAE-110,EN14175,ANSI/AIHAZ9.5 and other certifications.Wwith advanced air-conditioning control system,the wind speed can be maintained at aconstant and safe level,and 100% guarantee the safety of the experiment personnel. with the VAV ventlation system control solution,we can create an advanced laboratory that is safe, comfortable and energy-saving.