Over 20 years of export experience · A globally authoritative certified aluminum doors and windows factory
NFRC Certification Test High-Performance Aluminum Window Testing
Quality & Testing | U.S. Market
For aluminum windows and doors, appearance is only part of the product. For international projects, performance, consistency and compliance with market requirements are equally important.
At Yi Hai Xin Doors & Windows, we place product performance testing at an important stage of our manufacturing and quality control process.
Recently, our aluminum window and door products underwent NFRC-related performance testing for the U.S. market, providing a professional evaluation of their performance under specified testing conditions.
Testing Products to Meet U.S. Market Requirements
The National Fenestration Rating Council (NFRC) provides a recognized framework for evaluating the energy performance of windows, doors and skylights in the United States.
For manufacturers supplying products to the U.S. market, performance evaluation is an important part of developing reliable fenestration solutions.
Our testing process helps us verify the performance of specific product configurations and provides valuable technical information for product development, manufacturing and quality control.
What Does the Testing Help Us Evaluate?
Depending on the product configuration and applicable testing program, fenestration performance can involve factors such as:
• Air leakage
• Water resistance
• Structural performance
• Thermal performance
• Overall product performance
The actual performance of a window or door depends on many factors, including the aluminum profile, glass configuration, hardware, seals, size and overall assembly.
That is why we believe that professional testing should be based on the complete product configuration, rather than simply individual components.
From Engineering Design to Real Product Testing
At Yi Hai Xin Doors & Windows, product development is closely connected with manufacturing.
Our process can include:
Product Design → CAD Engineering → Material & Component Selection → Manufacturing → Assembly → Performance Testing → Quality Inspection → Packing → Export
This allows our technical and production teams to use testing feedback to improve product structures, sealing systems, hardware configurations and manufacturing processes where necessary.
For customized projects, this approach is particularly valuable because different project requirements may involve different sizes, glass specifications, opening configurations, colors and hardware options.
Supporting International Projects with Verified Performance
As an aluminum doors and windows manufacturer in Foshan, Guangdong, China, we serve customers in international markets with customized windows and doors for residential, commercial and project applications.
Our experience with international performance requirements helps us communicate more effectively with customers when discussing:
• Product specifications
• Performance requirements
• Glass and aluminum configurations
• Customized dimensions
• Hardware options
• Project-specific solutions
We believe that trust is built through more than product photos and quotations.
It comes from real manufacturing experience, clear technical communication and continuous product testing.
Quality Is a Process, Not a Claim
NFRC-related testing is one part of our broader approach to quality control.
From engineering and material selection to manufacturing, assembly, inspection and export, every stage contributes to the final performance of a window or door.
Our goal is to continuously improve our products and provide customers with aluminum doors and windows that are well-designed, consistently manufactured and ready for the demands of international projects.
Yi Hai Xin Doors & Windows From Foshan,
China to projects around the world.
Over 20 years of export experience !