Explore our industrial product line built to stringent structural benchmarks, including NFRC, CE, ISO9001, and AS 2047 standards. Each inch-calibrated door and window system features marine-grade alloy extrusions, multi-stage polyamide thermal breaks, and commercial hardware integration.
Thermal-break architectural timber paired with exterior 6063-T5 aluminium cladding. Tested for strict North American thermal regulations with low U-values.
High-integrity multi-point operator systems designed for active ventilation, multi-cavity EPDM weatherstripping, and acoustic isolation.
Heavy-duty bottom roller carriage supporting high cycle fatigue. Precision structural interlock stiles engineered to withstand N6 wind load classifications.
Precision die-cast solid aluminium face panels reinforced by internal galvanised structural steel cores. Multi-point biometric security integration ready.
Top-hung stainless guide systems delivering zero-deflection folding dynamics. Seamless transitions designed for large span residential and hospitality spaces.
Multi-chamber acoustic dampening core composite system. Built for sound absorption up to STC 42dB, combining internal warmth with rigid outer framing.
Structural high-grade roof fenestration engineered with anti-water pooling condensation drainage channels and high-load impact-resistant insulated glass.
Dual-material joinery balancing structural architectural shielding with natural interior timber aesthetic, completed with PPG fluorocarbon coatings.
Global architectural procurement in regions like the United States, Canada, the Caribbean, Australia, and parts of the Middle East frequently relies on fractional imperial measurements (inch systems: 30", 32", 36", 48", 72" standard rough openings; heights up to 96", 108", or 120" oversize pivot doors). When international architects, commercial contractors, and developers source aluminium doors from China, standard metric-only production plants frequently introduce unit conversion rounding errors, resulting in critical on-site rough opening discrepancies, failed perimeter clearances, and compromised flashing installations.
As a tier-one manufacturing exporter based in Shishan Town, Nanhai District, Foshan (Guangdong Dejiyoupin Doors and Windows Co., Ltd. - DERCHI), our engineering division operates dedicated CNC cutting software configured for native imperial schedules. We manufacture custom aluminium entry doors, pivot assemblies, sliding portals, and multi-folding fenestration calibrated down to fractions of an inch (1/16" tolerances). Controlling every production phase—from raw 6063-T5/T6 billet extrusion to precision multi-axis milling, powder coating, and final assembly—ensures our overseas clients secure seamless drop-in fitments on commercial and luxury residential building sites.
Native CNC calibration to 1/16-inch tolerances prevents field shimming failures, ensuring strict jamb-to-rough-opening ratios across all framing specs.
Structural door systems thoroughly cycle-tested for extreme air infiltration resistance, cyclic structural pressures, and water penetration limits.
Integrated PA66 low-conductive thermal bridges combat interior condensation, achieving U-factors compliant with North American ASHRAE 90.1 energy guidelines.
The global facade and entry fenestration sector is moving through rapid technological shifts. Project specifications have matured past basic aesthetic choices to demand verifiable lifecycle data, energy conservation guarantees, and mechanical endurance under severe microclimates.
| Specification Feature | Traditional Standard Metric Sourcing | Next-Generation Custom Inch Sourcing (DERCHI) |
|---|---|---|
| Dimension Sizing | Fixed mm profiles requiring domestic framing retrofits | True imperial inch calibration (1/16" accuracy) matching drawings |
| Coastal Corrosion Resistance | Standard 60µm polyester powder coating | AAMA 2605 certified Fluorocarbon (PVDF) & Marine-Grade 316 fittings |
| Large Format Pivot Thresholds | Surface-mounted tracks prone to water accumulation | Fully flush concealed drainage channels with sub-sill weeps |
| Hardware Compatibility | Proprietary Chinese latch configurations | ANSI/BHMA Grade 1 prep, smart access, and European multi-point locks |
Current enterprise procurement is defined by three high-growth technical categories:
1. Oversized Floor-to-Ceiling Pivot Portal Systems: Luxury residences and hotel lobbies are shifting from multi-panel French doors to monolithic architectural pivot doors up to 60 inches wide and 144 inches high. These structural systems require heavy-duty bottom floor spring assemblies carrying up to 1,200 lbs, dynamic internal counterbalancing, and micro-adjustable magnetic perimeter air seals.
2. Marine-Grade and High-UV Surface Longevity: Oceanic coastal residences, tropical villa projects, and harsh coastal developments face salt spray corrosion that degrades ordinary surface finishes in less than 36 months. Top-tier architectural specifiers demand AAMA 2605-compliant PVDF coatings (polyvinylidene fluoride) with a minimum 70% Kynar 500 resin base or electrolytic deep anodizing (25µm), tested beyond 3,000 hours of continuous ASTM B117 salt fog exposure.
3. Integrated Smart Biometric & Security Shielding: Cast aluminium solid-core doors with concealed armored steel cores are quickly replacing conventional hollow metal entry assemblies. Commercial developers expect pre-machined wiring chases for motor-driven latch systems, high-speed facial recognition scanners, keyless biometric integration, and remote building management access points.
Operating out of our 180,000 m² smart production base in Shenke Chuangzhi Park, Shishan Town, Foshan, DERCHI is an established industry pioneer in bespoke architectural exterior systems. Sourcing direct from our enterprise facility eliminates distributor markups and operational risks through comprehensive factory integration:
Every PO receives custom structural shop drawings, dynamic thermal simulations, and threshold weep calculations reviewed by experienced facade engineers prior to profile cutting.
Consolidate your full product schedule—including aluminium clad wood casements, heavy sliding doors, bi-folds, cast entry portals, and garage assemblies—within a single export container.
Full compliance assurance supported by AS 2047 (N6 class), CE, ISO 9001, and UL fire-rated operational testing reports accepted by regional building certifiers worldwide.
We work directly from your imperial door schedules and elevations. Our engineering team translates shop drawings to 1/16-inch tolerances and pre-calibrates our CNC processing centers, ensuring true frame dimensions without conversion rounding errors on site.
Yes. Our heavy-duty architectural sliding and pivot door profiles feature reinforced 6063-T6 multi-chamber extrusions with up to 3.0mm wall thickness. They are AS 2047 tested and approved up to N6 classification, resisting extreme cyclic wind pressures and cyclonic events.
For installations near the coastline, we specify AkzoNobel or PPG fluorocarbon PVDF coatings (exceeding AAMA 2605 performance criteria) alongside 316-grade marine stainless steel pivot hardware, handles, and fasteners to resist salt air and severe UV radiation.
All units are packed in ISPM 15 heat-treated fumigation-free timber crates with multi-layer PE foam wraps, corner armor, desiccant pouches, and steel band strapping. Glass units include cork separation pads to prevent sea freight damage.
Yes. We can custom mill for specified mortise locks, electric strikes, concealed door closers, and pass-through conduits to match smart locksets, keyless entry plates, and building automation controllers.