Engineered for Performance. Built for Partnership.
In the insulated glass industry, performance is no longer the only factor that matters.
Meeting performance standards is just the starting point —
consistency, supply reliability, and real cooperation are what define long-term partnerships.
When it comes to warm edge technology, performance can be measured.
But in real projects, what matters is whether that performance can be delivered consistently, at scale, and without uncertainty.
YFLE is developed and supported by Yonghui Energy Saving Technology, a manufacturer with years of experience in insulated glass materials production.
By combining manufacturing expertise with market-driven product design, YFLE represents a more focused and adaptable approach to serving international customers.
At YFLE, we focus on what truly matters.
Our glass fiber warm edge spacer systems are engineered based on proven industry parameters:
• Thermal conductivity at a competitive level of 0.13–0.16 W/mK
• Significant reduction of thermal bridging compared to aluminium spacers (~160 W/mK)
• Potential improvement of window U-values by 0.15–0.2 W/m²K
• Reduced condensation risk and improved edge temperature stability
We do not position ourselves by comparison.
We position ourselves by data, consistency, and execution.
YFLE was created to serve a specific group of partners:
Distributors who need stable and scalable supply
Customers looking for flexible specifications (sizes, accessories, compatibility)
Markets where performance must meet standards — but cost must remain controlled
Our production system has been continuously optimized based on real export experience, especially for European and UK markets.
This means:
✅ Stable quality across batches
✅ Adaptability to market-specific requirements
✅ Practical support in real projects, not just theoretical specifications
At YFLE, we believe a supplier should not just deliver products —
but reduce uncertainty in your business.
Company established
Existing employees
Current floor area
Product types
3A-level contract and trustworthy enterprise
3A-level contract and trustworthy enterprise
Enterprise credit evaluation enterprise
3A-level contract and trustworthy enterprise
3A-level contract and trustworthy enterprise
Business Philosophy
High requirements, high starting point, high standards A manufacturing and Trading Company
Hebei Yonghui Energy Saving Technology Co., Ltd. is a manufacturing and Trading Company Was established in August 2012. The company now covers an area of over 21000 square meters. It is located in the east of Renqiu city.
Recruiting agents from various countries. The company has a strong professional technical team and high quality management team. It has more than 60 employees, 8 management personnel, 5 technicians. We offer the best price for the best products. We have professional R & D team and fast response sales team. The product have passed the provincial test and all passed the test, which has reached the industry standard. And won the title of advanced enterprise.
Workshop
Warehouse area
Warehouse area
Wompany facade
Butyl rubber workshop