168 Fabrication Processes
From aluminum extrusion cutting to corner crimping and composite sealing, every product passes 168 dedicated production steps and 38 stringent quality control checkpoints.
Guangdong Dejiyoupin Doors and Windows Co., Ltd. (DERCHI) is an internationally acknowledged manufacturer providing developers, builders, architects, and importers across Australia, New Zealand, and the South Pacific with robust, AS 2047 compliant architectural systems.
Smart Manufacturing Base in Foshan
Annual Production Output
Senior Structural & Glazing R&D Engineers
Certified Technical & Operational Staff
Watch Enterprise Tour Guangdong Dejiyoupin Doors and Windows Co., Ltd., certified by international standards authorities and recognised by global media as an elite door and window brand, specializes in the research, development, and manufacturing of premier architectural glazing solutions.
We combine automated German precision machinery, rigorous laboratory quality testing, and extensive global logistics experience to ensure that every window and door system meets the highest benchmarks of structural durability, acoustic reduction, thermal efficiency, and water tightness.
Operating with zero-defect standards, our intelligent industrial lines ensure micrometric accuracy and long-term durability for every architectural assembly.
Equipped with wind pressure testing chambers, cyclic water penetration rigs, and acoustic analysis equipment to verify compliance before container dispatch.
From aluminum extrusion cutting to corner crimping and composite sealing, every product passes 168 dedicated production steps and 38 stringent quality control checkpoints.
Equipped with 8 internationally advanced automated production lines, 6 intelligent glass processing lines, and 5 digital smart warehouses for flawless order tracking.
Utilizing 3 fully automated German strip insertion machines, ensuring high-strength thermal insulation bars, airtight compound seals, and superior U-value thermal retention.
Whether you are building luxury coastal villas in Sydney, commercial apartments in Auckland, or resorts in Fiji, Guangdong Dejiyoupin Doors and Windows Co., Ltd. provides bespoke profiles engineered to your precise CAD drawings.
Custom extrusion development, multi-slide pocket systems, ultra-slim sightlines, and cyclone-rated frame assemblies adapted to regional engineering codes.
Harmonized supply packages comprising aluminium bifold doors, sliding windows, curtain walls, glass sunrooms, and interior wooden doors.
AkzoNobel marine-grade powder coatings, triple-glazed Low-E units, anti-theft multi-point locks, and concealed architectural hardware combinations.
Our engineering and manufacturing specialists collaborate seamlessly from initial architectural drawing review to CNC machining, quality control inspection, container crating, and site installation technical support.