Designed to withstand rigorous wind-load tolerances, marine atmospheric salt spray, and forced-entry mechanical forces. Each system conforms to CE, AS2047, and ISO9001 quality criteria.
Folding System
Sliding Series
CE & ISO9001
Upper Hung
AS2047 / NFRC
Patio Systems
Casement Series
Outdoor Living
Operating under the globally recognized DERCHI manufacturing standard, we offer B2B project contractors, real estate developers, and international importers unmatched capacity, traceability, and compliance certainty.
Every structural profile is fabricated from prime virgin 6063-T5/T6 billet alloy, backed by comprehensive testing reports for wind loads, forced-entry resistance, cyclic operational longevity, and salt spray exposure exceeding 1,000 hours.
Our dedicated engineering department translates architectural door schedules into fully reconciled, shop-ready shop drawings within 24 hours. Swing clearances, lintel deflections, sub-frame anchoring, and threshold drainage paths are modeled prior to CNC cutting.
From security mesh casements and large-format bi-fold doors to cast-aluminum estate main gates and fire-rated commercial pivot entries, consolidating product categories within our facility eliminates logistics variance and optimizes freight container cubic utilization.
The international building envelope sector has transitioned from passive bug screens to high-security structural mesh assemblies. Procurement officers and façade consultants must understand the critical performance metrics dictating the next decade of exterior door procurement.
Global coastal infrastructure increasingly mandates ASTM B117 salt spray verified marine-grade 0.8mm to 1.0mm 316 stainless steel mesh. This eliminates galvanizing decay while delivering 900+ Joule dynamic impact resistance against brute-force entry.
Integrating high-tensile mesh systems directly into polyamide thermal break (PA66 GF25) aluminum door extrusions guarantees zero thermal bridging, keeping commercial U-values under 1.6 W/m²K without compromising physical security profiles.
Traditional visible fastener systems cause galvanic reaction points where stainless steel meets raw aluminum. Next-generation procurement favors concealed, non-conductive PVC wedge-pressure clamping that prolongs coastal system lifespan beyond 25 years.
Commercial-scale procurements prioritize smart electrified mortise locks with multi-point stainless deadbolts (3-point and 5-point systems), communicating directly via Zigbee/Matter protocols to centralized building automation networks.
| Evaluation Parameter | Standard Market Screen Doors | Guangdong Dejiyoupin (DERCHI) Security Mesh Door | Strategic Procurement Value |
|---|---|---|---|
| Mesh Wire Material | Carbon steel or 201 series steel wire | AISI 316 Marine Stainless Steel | Zero pitting corrosion; extreme saline air endurance. |
| Frame Wall Thickness | 1.0mm - 1.2mm commercial grade alloy | 2.0mm - 3.0mm Structural 6063-T5/T6 | High flexural rigidity, wind loads up to 4500Pa (AS2047 N6). |
| Impact Resistance | Under 100 Joules (knife slash susceptible) | Passes Australian Knife Shear & 950J Impact | Complete forced entry defense against heavy intrusion tools. |
| Surface Protection | Standard domestic acrylic spray coat | AkzoNobel Interpon D2525 PVDF Fluorocarbon | Guaranteed 20+ years anti-chalking, anti-fading UV defense. |
| Hardware & Locking | Single-latch zinc die-cast lock | Multi-Point 304 Stainless Steel Locking Bolts | Anti-jemmy interlocking hooks along header and jambs. |
Modern door fabrication is being reshaped by precision digital tooling, rigorous sustainability mandates, and the demand for holistic multi-hazard mitigation.
Eliminating human positioning error, our automated multi-axis profile machining centers execute all hinge cutouts, multipoint mortise cavities, weep hole routings, and miter joins within an absolute tolerance of ±0.2mm. This ensures that every assembled sash seals uniformly against dual-durometer EPDM gaskets.
Export compliance to European and North American territories demands rigorous environmental accountability. Our automated vertical electrostatic powder-coating lines incorporate zero-VOC formulations and 98% powder reclaim efficiency, coupled with chromate-free surface pre-treatments.
Addressing structural requirements in multi-climate applications, next-generation aluminum mesh systems feature an interior decorative timber or thermal-break aluminum skin mechanically decoupled from an exterior weather/security-grade cast alloy shell, providing uncompromised interior aesthetics alongside ballistic/impact barrier capability.
Clear technical answers addressing mechanical load ratings, customs clearance documentation, logistics crating, and site installation tolerances.
