![7e4b5ce24](https://www.holtop.com/uploads/7e4b5ce241.jpg)
2017 Netizen Reliable Brand Awardav varme- og energigjenvinningsventilatorer for boliger
![1](https://www.holtop.com/uploads/38a0b9232.jpg)
HC360 2016 Fresh Air Products Ledende merkesertifikat
![12](https://www.holtop.com/uploads/d76fe977.jpg)
HC360 2015 Topp 10 Ventilasjonsmerkepris
![6](https://www.holtop.com/uploads/1c5a880f2.jpg)
2017 Innovative Brand Award of National Ventilation Industry
![5](https://www.holtop.com/uploads/7fbbce232.jpg)
HC360 Topp 10 Ventilasjonsmerkepris
![4](https://www.holtop.com/uploads/79a2f3e71.jpg)
Samlingsfestsertifikat for designstandarder for friskluftrensingssystem for grunnskolen
![8](https://www.holtop.com/uploads/95fb98ab1.jpg)
Sertifikat for energisparende produkter kvalifiserer selskapet
![7](https://www.holtop.com/uploads/5fceea162.jpg)
Stående medlem avChina Ventilation Mechanical Industry Alliance
![6](https://www.holtop.com/uploads/1c5a880f3.jpg)
Høyteknologisk bedriftssertifikat
![11](https://www.holtop.com/uploads/43d9caa61.jpg)
HC360 2016 Outstanding Leader Cup
![14](https://www.holtop.com/uploads/8922bcc2.jpg)
Hi-Tech Enterprise sertifikat avBeijing Holtop Environment Protection Technology Co., Ltd
![2](https://www.holtop.com/uploads/8d9d4c2f3.jpg)
HC360 2016 Fresh Air Products Leading Brand Prize
![1. 3](https://www.holtop.com/uploads/10c124a1.jpg)
CAPIA 2015 China Top 10 Ventilation Brand Award
![10](https://www.holtop.com/uploads/6802a4421.jpg)
DA YAN-PRISEN
![9](https://www.holtop.com/uploads/ce2e2d7f2.jpg)
DA YAN-PRISEN