Strict Quality Control System
168 meticulous production processes coupled with 38 comprehensive multi-point quality inspections ensure defect-free assembly across every production batch.
Company Profile
Global Engineering Excellence Rooted in 25+ Years of Manufacturing
Guangdong Dejiyoupin Doors and Windows Co., Ltd. (DERCHI) operates as an industry-leading manufacturer and international exporter of high-performance architectural aluminum windows, entry and patio doors, sunrooms, and interior wooden systems.
Certified as a "China Famous Brand" by Xinhua News Agency, we combine advanced German-engineered automation with rigorous architectural craftsmanship. Located in the core manufacturing hub of Nanhai District, Foshan, we ensure seamless supply chain integration, rapid maritime shipping, and reliable delivery for large-scale developments across Asia, Oceania, Europe, and the Middle East.
Whether addressing coastal typhoon resistance, high-humidity insulation, or custom architectural elevations, our engineering team manages the complete lifecycle from technical shop drawings to on-site installation guidance.
180,000m²
Intelligent Production Base
1,000,000m²+
Annual Manufacturing Output
30+
Senior Technical R&D Experts
600+
Dedicated Workforce & Engineers
Advanced Equipment
Industrial Automation & Zero-Tolerance Precision Lines
Through substantial investment in German automation and intelligent manufacturing logistics, every window and door system meets exacting global building code criteria.
Independent Window & Door Performance Experimentation Center
Our in-house R&D center conducts certified testing for air permeability, water tightness, structural wind load resistance, thermal cycling, and acoustic insulation.
Automated Fabrication Lines
Equipped with 8 internationally advanced automated processing lines, 6 insulated glass fabrication lines, and 5 intelligent material warehouses for high-speed delivery.
German Thermal Assembly
3 German automated thermal strip insertion units guarantee airtight structural stability, consistent thermal breaks, and dimensional precision that exceeds commercial requirements.
Enterprise Capabilities
Why Global Specifiers Depend on DERCHI
Guangdong Dejiyoupin Doors and Windows Co., Ltd. specializes in R&D, customized engineering, and reliable manufacturing of premium fenestration solutions with high international trust.
Capacity Guarantee: 1,000,000 m²+ annual output
Innovation-Driven: 100+ national patents & proprietary locks
Professional Customization: Structural profiles, hardware & finishes
Global Compliance: CE, AS2047, NFRC, CSA & ISO 9001 certified
Whole-House & Project Solutions
One-Stop Customization for Discerning Architecture
From private luxury villas to high-density mixed-use complexes, we coordinate exterior envelope elements into unified, coherent design packages.
Structural & Profile Customization
Tailored structural extrusion profiles, dynamic glass wall designs, and reinforced typhoon anchors engineered to withstand high wind pressures and extreme environmental loads.
Integrated Building Envelopes
Harmonized suites encompassing exterior aluminum sliding doors, casement windows, panoramic fixed picture glazing, solariums, and premium interior wooden doors.
Personalized Finishes & Hardware
Extensive finish options including architectural fluorocarbon (PVDF) coatings, marine-grade anodizing, textured timber veneers, smart motorized operators, and concealed multi-point locks.
Our Workforce
600+ Specialists Powering Quality from Concept to Delivery
Our integrated team collaborates throughout the complete supply chain: R&D, precision fabrication, quality inspection, overseas crating, logistics, and technical field support.
