Duowei Wins 2025 Steel Structure Tech Innovation Award
Awards presentation
From October 13th to 15th, the 9th Member Congress of the China Steel Construction Association and the 2025 China Steel Construction Conference were grandly held in Nanning, Guangxi. At the conference, Duowei won the 2025 "Technological Innovation Award" for its "non-destructive mechanical connection building-integrated photovoltaic roof system".
Certificate of award
1.Non-Destructive Connection Technology: The original medium-wave peak structure enables non-destructive connection with photovoltaic modules, eliminating potential damage and safety hazards that may occur in traditional connection methods from the source.
2.Dual Waterproofing System: It adopts 360° standing seam waterproof connection and a unique structural design, forming a dual waterproof protection with the combination of "prevention and drainage".
Photovoltaic roof system
The system has accumulated more than 40 patents in total, including 5 national invention patents, 30 utility model patents, and 13 design patents.
Power generation increased by more than 5%.Wind resistance performance improved by over 30%, with a maximum resistance to typhoon of up to Level 17.
Excellent waterproof performance, meeting the national standard of Watertightness Class 5.
Installation efficiency enhanced by more than 20%, and installation accuracy meets the standard with a 100% compliance rate.
Service life reaches more than 30 years.