Explore commercial and high-end residential fenestration systems manufactured under stringent AS 2047, NFRC, CE, and ISO 9001 protocols for high wind load, corrosion resistance, and verified thermal performance.
Operating as Guangdong Dejiyoupin Doors and Windows Co., Ltd. (DERCHI), our centralized smart manufacturing hub de-risks multi-container, cross-border commercial and institutional projects.
Foshan Manufacturing Footprint
Annual Dynamic Finished Capacity
Proprietary Locking & Profiles
30+ Senior Structural Engineers
Traditional aluminum screen and net doors depend on single perimeter latch points susceptible to crowbar leverage. Our patented mechanical gear drives stainless tongue pins outward across four frame perimeters simultaneously, establishing tamper-proof structural rigidity.
Extrusions (6063-T5 / 6063-T6) pass through multi-axis automated German milling centers. Milling tolerance limits stay under ±0.3mm across mitered corner joints, eliminating water creeping paths and ensuring flawless alignment of woven 316 wire screens.
Factory-direct test certificates available per batch: Australian Standard AS 2047 & AS 1288, North American NFRC/CSA thermal and structural ratings, CE marking (EN 14351-1), Hurricane Impact testing, and ISO 9001 quality management oversight.
Strategic purchasing guidelines for developers, facade consultants, and general contractors navigating heightened sustainability targets and structural security requirements.
Historical net and mesh screens functioned strictly as physical barriers with no thermal isolation. Future specifications demand polymide thermal-break barriers (PA66 GF25) within the outer net sub-frame to avoid cold bridging when paired with Passive House glass assemblies.
Procurement is moving away from cheap 304 or fiberglass screening toward 0.8mm–1.0mm high-tensile 316 marine-grade stainless steel woven meshes. In coastal environments, chemical anodizing combined with AkzoNobel fluorocarbon powder coatings stops galvanic pitting.
Architectural buyers increasingly reject bulky face-mounted hardware. Next-generation custom OEM net doors integrate hidden motor drives, flush magnetic contact switches, and biometric handles that communicate with building access control ecosystems.
| Evaluation Parameter | Standard Market Net Doors | DERCHI Custom OEM Heavy-Duty System | Engineering Compliance Target |
|---|---|---|---|
| Alloy Metallurgy | Recycled aluminum scraps / mixed 6063 | 100% Virgin 6063-T5 or T6 Architectural Billet | Tensile strength ≥ 205 MPa; Web thickness ≥ 2.0mm |
| Security Mesh Integrity | 0.5mm 201/304 wire mesh; bonded with mastic | 0.9mm 316 Marine-grade stainless; clamped via bolted alloy jaws | Dynamic Impact AS 5041 & Anti-Jemmy Test Passed |
| Locking Multi-Point Drive | Single deadbolt or 2-point hook latch | Patented 4-Side 6-Point Gear Transmission Rods | Forced Entry Prevention (Grade 40 Certified) |
| Weather Seal Protection | Standard foam tape / discontinuous pile | Co-extruded continuous EPDM vulcanized gaskets | Water tightness ≥ 450 Pa; Air infiltration Class 4 |
| Finish Durability | Standard industrial polyester powder coating | AkzoNobel Interpon D2525 / Qualicoat Class 2 certified | AAMA 2604 / AAMA 2605 compliant (10-25 yr lifespan) |
Essential technical clarifications addressing structural certification, packaging protocols, supply chain logistics, and production customisation.
Collaborate directly with our engineering division for custom profile development, hurricane impact configurations, or container-load OEM pricing.