Guangdong Dejiyoupin Doors and Windows Co., Ltd. holds more than 100 national patents, including our exclusive Four-Side Six-Point Lock invention. Every door system undergoes strict evaluation for structural integrity, wind load, air tightness, and water penetration.
Certified conformity under EN 14351-1 ensuring strict mechanical safety, load-bearing capacities, and non-hazardous material composition for premium architectural installations.
Compliant with Australia's rigorous residential and commercial window and door testing code, achieving the highest N6 rating for extreme wind pressures and cyclonic conditions.
Full manufacturing lifecycle traceability across our 180,000㎡ industrial base in Foshan, ensuring zero-defect extrusion processing, surface treatment, and precision hardware assembly.
Tested for optimal solar heat gain coefficients (SHGC) and U-factor ratings, ensuring architectural glass and thermal-break aluminum profiles deliver significant cooling energy savings.
Evaluated under Canadian CSA A440 standards for severe temperature fluctuation tolerance, air leakage resistance, and reinforced multi-point interlocking hardware.
Features our proprietary Four-Side Six-Point Lock engineering patent, providing structural pry-proof perimeter reinforcement for high-end residential estates and urban villas.
To satisfy the technical oversight of South American general contractors, architects, and port customs authorities, every order manufactured by Guangdong Dejiyoupin Doors and Windows Co., Ltd. is backed by certified test datasheets.
Project-specific lab test summaries for large pivot doors and multi-track sliding systems that match local building codes like ABNT NBR (Brazil) and NCh (Chile).
Solid plywood crating with internal shock-absorbing honeycomb wrap, corner protectors, and moisture barriers formulated to withstand salty ocean freight to Santos, Callao, or Buenaventura.
Direct supply of Mill Test Certificates (MTC), tempered glass marks (SGCC/CE), and complete technical drawings approved by our senior engineering division.
