![7e4b5ce24](/uploads/7e4b5ce241.jpg)
2017 Netizen Reliable Brand Award of Residential Heat and Energy Recovery Ventilators
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HC360 2016 Fresh Air Products Leading Brand Certificate
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HC360 2015 Top 10 Ventilation Brand Award
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2017 Innovative Brand Award of National Ventilation Industry
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HC360 Top 10 Ventilation Brand Prize
![4](/uploads/79a2f3e71.jpg)
Compilation Party Certificate for Fresh Air Purification System Design Standards of Primary School
![8](/uploads/95fb98ab1.jpg)
Energy Saving Products Certificate Qualify Company
![7](/uploads/5fceea162.jpg)
Standing Member of China Ventilation Mechanical Industry Alliance
![6](/uploads/1c5a880f3.jpg)
Hi-tech Enterprise Certificate
![11](/uploads/43d9caa61.jpg)
HC360 2016 Outstanding Leader Cup
![14](/uploads/8922bcc2.jpg)
Hi-Tech Enterprise Certificate of Beijing Holtop Environment Protection Technology Co., Ltd
![2](/uploads/8d9d4c2f3.jpg)
HC360 2016 Fresh Air Products Leading Brand Prize
![13](/uploads/10c124a1.jpg)
CAPIA 2015 China Top 10 Ventilation Brand Award
![10](/uploads/6802a4421.jpg)
DA YAN AWARD
![9](/uploads/ce2e2d7f2.jpg)
DA YAN AWARD