Guangdong Dejiyoupin Doors and Windows Co., Ltd. is committed to absolute engineering transparency and manufacturing excellence. Our architectural entry door systems are tested by globally recognized third-party laboratories to meet or exceed rigorous international building performance criteria.
With more than 100 national and international patents—including our proprietary Four-Side Six-Point Anti-Theft Locking System—our door solutions ensure robust weather sealing, wind load resistance, and structural security across global residential and commercial developments.
Our door lines undergo rigorous audits for mechanical strength, acoustic isolation, fire protection, and climate resistance.
Full-scale quality management certification verifying strict manufacturing tolerances, material traceability, and continuous process improvements across our 180,000 m² factory.
Conformity marking ensuring our doors meet European harmonized standards for mechanical resistance, occupant safety, thermal efficiency, and environmental protection.
Complies with rigorous Australian standards for windows and external glazed doors in buildings, certified up to N6 cyclone ratings for extreme wind loads and water penetration resistance.
Tested under UL standards for designated fire-rated pivot and entry doors, offering structural compartmentalization and fire containment for high-end residential and commercial architecture.
Certified thermal transmittances (U-factor), Solar Heat Gain Coefficients (SHGC), and air leakage ratings tested according to North American fenestration standards.
Proprietary engineering patents covering anti-theft multi-point locking mechanisms, hidden heavy-duty pivot bearings, extruded structural frames, and water-diverting sill profiles.
When specifying entrance doors for luxury residences, commercial resorts, and commercial developments, verified technical compliance protects projects from construction delays and regulatory penalties. Guangdong Dejiyoupin Doors and Windows Co., Ltd. provides certified test reports with each export batch.
Tested to resist positive and negative pressures in high-rise and coastal installations subject to monsoon and tropical cyclonic conditions.
Precision multi-tiered EPDM compression gaskets and continuous perimeter drainage keep interiors dry even under sustained driving rain.
Engineered anti-pry frame construction paired with certified multi-point locking systems delivers commercial-grade physical security.