Experimentation Center
Independent laboratory testing wind pressure resistance, air permeability, watertightness, acoustic performance, and cycle durability.
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Production Base
Modern smart manufacturing hub in Foshan
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Annual Capacity
Scalable batch delivery for major contracts
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R&D Experts
Custom CAD engineering & patent portfolio
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Skilled Staff
Precision craftsmanship & inspection
Enterprise Overview
Engineered For Architectural Excellence & Ultimate Security
Guangdong Dejiyoupin Doors and Windows Co., Ltd. (DERCHI) stands as a benchmark manufacturer and high-level exporter in the high-end architectural door and window industry. Officially recognised as a "China Famous Brand", our enterprise integrates comprehensive research and development, smart production lines, and technical export execution.
Recognised among China's Top 10 door and window manufacturers, DERCHI operates a massive 180,000 ㎡ production ecosystem in Foshan, Guangdong. We supply commercial developers, contractors, and luxury villa projects across Africa with engineered aluminum entry doors, cast aluminum gates, safety glass systems, and high-security stainless steel doors designed to endure demanding coastal, highland, and tropical environments.
By controlling every process in-house—from precision extrusion profile handling and automated strip insertion to multi-point security hardware fitting—we guarantee dependable quality, accurate lead times, and certified structural performance for our overseas trading partners.
Core Advantages
Why Global Buyers Partner With DERCHI
With proven supply record in over 100 countries, we provide trade partners and real estate developers with decisive technical superiority and supply chain assurance.
Massive Production Capacity
180,000 ㎡ production base equipped with automated strip insertion systems, six glass tempering lines, and five digital warehouses ensuring seamless fulfillment for large commercial developments and regional distributors.
Tailored Customization
Complete flexibility in size, glass composition, surface treatment (fluorocarbon, powder coat, wood grain), pivot hinges, and smart access integration backed by shop-ready CAD drafting matched to your schedule.
International Compliance
Products tested and certified against CE, ISO9001, AS2047, and UL fire-rated standards, complete with full technical documentation to expedite custom clearance programs such as SONCAP, KEBS PVoC, and NRCS.
Manufacturing Power
Advanced Production Facilities & Testing Center
Zero-error manufacturing executed across 168 controlled production processes and 38 independent quality inspections.
Stringent Quality Control
38 detailed inspection points verifying profile thickness, anodizing and powder coat micron depth, weld seams, and multi-point lock alignment.
8 Automated Lines
Internationally advanced automated production lines achieving tight dimensional tolerances, flawless mitre joints, and rapid turnaround.
German Strip Machinery
Three high-precision automated thermal break strip insertion machines ensuring optimal thermal insulation and acoustic ratings.
Professional Human Capital
Collaborative Engineering & Global Support
A unified team of over 600 production specialists, design engineers, and export coordinators supporting project teams across global time zones.
600+ Skilled Staff
Expert craftsmen and technical operators ensuring consistent build quality across every entry door series.
Integrated R&D Strength
From initial architectural sketches to precision 3D CAD models and structural calculations.
Deep Quality Commitment
Continuous refinement of corrosion-resistant alloys, EPDM weather-stripping, and high-security lock integration.
Benchmark Standards
Applying technical discipline and lean production to set global milestones in architectural openings.
Worldwide Footprint
Trusted Partner for 100,000+ Projects Worldwide
With over 700 exclusive stores across China and verified export installations across more than 100 countries, Guangdong Dejiyoupin Doors and Windows Co., Ltd. collaborates with leading international hardware suppliers, builders, and developers.
Connect With Factory Engineers
Ready to Discuss Your Project Specifications?
Send your architectural schedules, door dimensions, and port requirements to [email protected]. Our English-speaking engineering team will furnish free CAD drawings and commercial quotations within 24 hours.