Company Profile
Pioneering Architectural Grandeur & Structural Integrity
As a top-ranking Chinese exporter in the door and window industry, DERCHI provides global customers with one-stop customized aluminum door and window solutions. With advanced manufacturing facilities and strong R&D capabilities, we deliver high-quality products and reliable project support to clients worldwide.
DERCHI Doors and Windows (Guangdong Dejiyoupin Doors and Windows Co., Ltd.) has been recognized by the world-class media Xinhua News Agency as a "China Famous Brand". We specialize in the research, development, and manufacturing of high-end doors and windows for the global market, offering strong innovation capabilities and large-scale production capacity.
Manufacturing Scale & Production Power
Empowering global architecture with robust capacity, state-of-the-art automation, and precision engineering.
Certifications & Honors
Uncompromised safety, thermal efficiency, and quality validation
DERCHI holds over 100 national patents, including the exclusive Four-Side Six-Point Lock invention patent for enhanced security. Our products meet international standards and certifications including Hurricane Certification, CE (EU), NFRC (USA), AS2047 (Australia), CSA (Canada), Energy Star, and ISO 9001.
Our commitment as a leading entrance door manufacturer is reflected in our continuous pursuit of engineering excellence. By integrating smart locking mechanisms, premium thermal break profiles, and hurricane-resistant glass structures, we ensure that every entrance door we manufacture serves as a fortress of safety and a masterpiece of modern design.
Advanced Production Lines & Equipment
Where AI-driven automation meets masterful craftsmanship to produce high-performance entrance systems.
Intelligent Storage & Warehousing
Equipped with five intelligent warehouses that optimize material handling, minimize lead times, and guarantee the traceability of components throughout the manufacturing cycle.
Glass Processing Excellence
Operating six glass production lines, we process double-glazed and triple-glazed tempered glass, low-E coatings, and laminated safety glass tailored for heavy-duty front entry doors.
German Automated Assembly
Utilizing three German fully automated strip insertion machines to ensure structural thermal break profiles achieve absolute stability, weather-tightness, and energy efficiency.
Featured Entrance Door Collection
Explore our premium architectural designs engineered with structural aluminum, cast aluminum, and heavy-duty steel.
Extra Large Aluminum Entry Door with Sidelight
A grand entrance statement blending solid wood aesthetics, premium aluminum frames, and integrated glass sidelights for natural illumination.
View Details
Aluminum Double Glazed Pivot Door
Engineered for contemporary architecture, this oversized pivot door features double-glazed safety glass and a smooth hydraulic pivot hinge system.
View Details
Luxury Soundproof Villa Aluminum Entry Door
High-security aluminum swing door featuring advanced sound insulation, thermal break profiles, and multi-point locking mechanisms for luxury villas.
View Details
Black Aluminum Villa Security Pivot Door
A bold, minimalist architectural entry door with a matte black frame, heavy-duty security pins, and smart lock capability.
View Details
Stainless Steel Fire-Rated Pivot Villa Door
Constructed with marine-grade stainless steel, offering robust anti-theft properties, fire protection, and a sleek contemporary finish.
View Details
German Cast Aluminum Armour Door
Royal security steel entrance door clad with heavy-duty cast aluminum panels, replicating classical European design with modern security.
View Details
Heavy Cast Aluminum Villa Entrance Door
Unmatched security and prestigious aesthetics. Features a thick structural steel core and a rust-free solid cast aluminum exterior face.
View Details
Custom Armored Security Steel Villa Door
Heavy-duty steel structure with customized decorative panels. Engineered to withstand high impact, forced entry attempts, and harsh weather.
View Details
NFRC Certified Aluminum Pivot Door with Smart Lock
Certified for the North American market, this thermal break pivot door integrates multi-biometric access and smart home automation.
View DetailsAdvanced Testing & Quality Control
Every DERCHI entrance door undergoes rigorous simulation testing to meet extreme global weather standards.
Independent Testing & Experimentation Center
Our dedicated testing center replicates extreme environmental conditions, ensuring our entry doors withstand severe wind pressures, heavy rain infiltration, and structural stresses across diverse climates.
168 Production Processes & 38 Inspections
From raw material extrusion to hardware integration and final packaging, our rigorous 168-step assembly method is supported by 38 separate quality inspections to guarantee zero-defect shipments.
Automated Smart Manufacturing
Precision execution through advanced robotics and German engineering protocols.
Eight Internationally Advanced Automated Lines
Optimized structural alignment and high-precision CNC machining
DERCHI is equipped with eight internationally advanced automated production lines. By utilizing robotic welding, automated milling, and precise frame assembly, we eliminate human error and achieve tight tolerances essential for heavy-duty entry doors.
This automated infrastructure allows us to scale production efficiently, meeting the demands of large-scale commercial developments and high-end residential projects without compromising on custom architectural specifications.
Our Step-by-Step Customization Process
We work closely with architects, developers, and homeowners to deliver tailored architectural entrances.
Consultation & CAD
We analyze architectural drafts and provide structural engineering advice and CAD cross-sections.
Material Selection
Choose from T6 aluminum extrusions, cast aluminum plates, marine-grade steel, and specialized glass.
Precision Assembly
Automated CNC cutting, corner crimping, and thermal break insertion process in our clean workshops.
Strict Testing
Every door is tested for structural alignment, smooth hinge movement, and air/water tightness.
Inside the DERCHI Factory Workshops
A transparent look at our modern manufacturing environment, raw material stocks, and assembly lines.
Partner with a Premier Entrance Door Manufacturer
Whether you require high-security armored entry doors, sleek glass pivot doors, or custom cast aluminum gates, DERCHI provides NFRC, CE, and AS2047 certified solutions for projects worldwide.