China's Benchmark in Architectural Entry Doors
Guangdong Dejiyoupin Doors and Windows Co., Ltd. (DERCHI) stands among China's most respected manufacturers of architectural entrance door systems, recognized nationwide for engineering excellence and export-grade craftsmanship.
Backed by over 25 years of specialized manufacturing experience, DERCHI integrates intelligent R&D, high-precision machining, custom architectural fabrication, and rigorous quality inspection under a single roof. Our state-of-the-art facility in Foshan, Guangdong Province, produces premium aluminum pivot doors, cast aluminum villa main gates, stainless steel security entrances, and architectural glass entry systems designed for landmark projects across the globe.
From luxury residential developments to five-star resort lobbies and commercial high-rises, our doors are precision-engineered to withstand harsh coastal typhoons, tropical monsoon humidity, and extreme temperature variations without compromising aesthetic refinement.
Core Manufacturing Capabilities
Why architects, builders, and developers worldwide rely on Guangdong Dejiyoupin Doors and Windows Co., Ltd. for mission-critical entrance solutions.
Precision Engineering
Equipped with computerized CNC profile processing centers, automated corner-crimping stations, and digital cutting machinery to guarantee millimetric tolerances for oversized pivot systems.
Certified Quality Testing
Our in-house experimentation center conducts wind load resistance, air infiltration, water tightness, and continuous cycle fatigue tests to ensure compliance with CE, ISO 9001, AS 2047, and UL fire standards.
Full Architectural Customization
From custom anodized or fluorocarbon PVDF exterior finishes to motorized concealed pivot hinges, multi-point biometric locking, and triple-laminated acoustic glazing, every door is tailored to project specifications.
Free CAD & Shop Drawings
Our project engineering department collaborates with your architectural teams, delivering detailed shop drawings, 3D structural sectional details, and installation schematics before fabrication commences.
Global Export Packaging
All finished products are treated with anti-scratch surface film, protected by high-density edge guards, and encased inside heavy-duty, fumigated multi-layer plywood export crates for secure sea freight transit.
Dedicated Technical Support
Professional multi-language sales engineers assist developers and contractors through opening verification, sample approvals, container stuffing planning, and remote on-site installation guidance.
Advanced Production Lines & Equipment
Our facility features 6 dedicated glass production lines, 5 intelligent high-density warehouses, and automated German strip insertion systems.
Testing Center
Independent performance laboratory testing air permeability, water tightness, structural deflection, and cyclone resistance.
Quality Control Matrix
168 standardized production processes combined with 38 multi-point quality inspections to eliminate defects before crating.
Automated Lines
Eight automated lines ensure high continuous productivity, consistent surface finishing, and millimetric fabrication accuracy.
German Thermal Strip Insertion
State-of-the-art German automated machines ensure optimal thermal break bonding, structural strength, and high energy ratings.
Our Professional Team
Across the complete project spectrum — from material research and CAD design to structural engineering, cleanroom glass assembly, and international logistics — our team of 600+ professionals ensures absolute execution rigor.
Our experienced project managers liaise with international architectural consultants and commercial contractors, ensuring that custom requirements are implemented on time, within budget, and to verified building code specifications.
600+ Specialists
Specialized craftsmen, structural technicians, and multi-language sales coordinators.
Technical Mastery
Continuous investment in cutting-edge aluminum alloy metallurgy and high-security hardware.
Quality Obsession
Uncompromising commitment to certified thermal break integrity and surface resilience.
Global Outlook
Trusted supplier to luxury residential and commercial developments across over 100 countries.
Trusted Worldwide For Premium Doors
With over 700 flagship showrooms across major cities in China and ongoing supply partnerships spanning more than 100 countries, DERCHI products are installed in 100,000+ luxury villas, residential communities, and commercial towers.
