Guangdong Dejiyoupin Doors and Windows Co., Ltd. (DERCHI) collaborates from structural engineering and CAD optimization to precision lean production. Discover how our custom entrance systems withstand coastal humidity, desert heat, and strict building compliance demands.
Glass Door System Customized ultra-slim sightline glazing system engineered to maximize natural illumination while preserving superior acoustic insulation and structural rigidity.
Aluminum Entrance Engineered for seamless flush aesthetics, incorporating high-performance pivot hinges and flush-mounted biometric handles with high weather resistance.
Stainless Steel Combining heavy-duty internal steel skeleton reinforcements with refined surface finishing, providing maximum forced-entry security for luxury residences.
Cast Aluminum Engineered to resist corrosive ocean mist, intense UV degradation, and coastal winds using solid 10-14mm cast aluminum panels with anti-oxidation treatment.
Thermal Barrier Developed specifically for extreme diurnal temperature swings and abrasive sandstorms, incorporating multi-cavity polyamide thermal breaks and dust-proof barriers.
Whole-House System A unified entrance and perimeter glazing project ensuring harmonized architectural proportions, high energy efficiency ratings, and structural load ratings.
Acoustic & Thermal Engineered to resist sustained heavy rain, freeze-thaw cycles, and damp marine winds, featuring multi-tiered drainage tracks and high U-value retention.
Heavy Duty Engineered to handle intense high-elevation solar radiation and snow pressure, constructed with heavy wall-thickness extrusions and reinforced pivot hinge hardware.
Bi-Fold System Designed for oversized clear openings between indoor spaces and exterior gardens, using smooth stainless bottom rollers capable of supporting up to 300 kg per panel.
From our 180,000 ㎡ production hub in Foshan, China, every project undergoes comprehensive quality assurance designed to withstand rigorous transit and regional weather demands.
Detailed technical shop drawings and structural stress calculations prepared prior to material extrusion.
Full CE, ISO9001, AS2047, and UL fire-rated evaluations ensuring uncompromised safety and durability.
Multi-layer protective film, custom corner protectors, and reinforced wooden crates for safe container sea freight.
Dedicated English-speaking technical teams supporting importers, architects, and onsite installation crews.
Send your project blueprints, door schedules, or opening dimensions to [email protected]. We provide factory-direct technical estimates and CAD feasibility reviews within 24 hours.