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yaya started the topic What are the precautions for installing a commercial ventilation system? in the forum Business to Business 3 years, 7 months ago
On weekends and holidays, shopping malls usher in a small peak in the flow of people, and shopping malls in prosperous areas are even more crowded. For the large indoor environment of shopping malls, the air quality will decrease as more people increase. All kinds of people come here. If ventilation is not done well, it will be difficult to ensure…[Read more]
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yaya became a registered member 3 years, 7 months ago