Architectural Portfolio
Engineered Cupboard & Wardrobe Sliding Door Collections
Precision-manufactured sliding assemblies engineered for luxury residential residences, luxury hotels, and commercial developments. Fabricated from certified high-tensile 6000-series alloy extrusions with whisper-quiet bearing mechanisms.
180,000 m²
Integrated Factory Base
25+ Years
Engineering Excellence
600+
Skilled Specialists
100+
Patents & Global Certs
Factory Direct Value
Why Global Specifiers Source Cupboard Systems from DERCHI
Based in Foshan, Guangdong—the epicentre of worldwide architectural aluminium extrusion—Guangdong Dejiyoupin Doors and Windows Co., Ltd. delivers high-precision systems validated by international testing regimes.
Schüco-Standard Metallurgical Precision
Selected by longstanding British contractors and Schüco partners for high-end European villa schemes. Our primary billet extrusion processes ensure zero internal voids, flawless dimensional tolerances under 0.3mm, and exceptional structural rigidity for floor-to-ceiling configurations up to 3.5m tall.
Zero-Cost In-House CAD & BIM Engineering
Our in-house design studio translates architectural door schedules into detailed shop drawings, fabrication plans, and structural calculations without charge. We tailor track widths, recessed floor profiles, soft-close dampening curves, and jamb sections to eliminate spatial interferences on site.
Aligned Time-Zone Technical Assistance
Eliminate procurement friction. Our bilingual fenestration and hardware engineers operate during Western European (CET/GMT) and North American business hours, ensuring rapid 24-hour drawing turnarounds, real-time video factory audits, and reliable export compliance assistance.
Full International Certification Suite
Every sliding assembly conforms to ISO 9001 certified manufacturing, backed by European CE conformity (EN 14351-1), Australian AS 2047 N6 structural testing, and UL-certified fire protection assemblies, ensuring smooth handover to rigorous local municipal building inspectors.
Unified Whole-Building Joinery Packages
Mitigate multi-vendor risk. Procure internal minimalist wardrobe systems, aluminium pivot entry doors, heavy-duty exterior sliding facades, fire-rated utility doors, and custom garage systems from a single consolidated Chinese manufacturing partner with containerized batch deliveries.
Direct-from-Source Foshan Pricing Advantage
Bypass layers of domestic trading intermediaries and regional markup. By sourcing directly from our 180,000 m² automated production facility, project managers realise 30% to 45% capex savings without sacrificing raw material alloy grades, anodizing thickness, or premium bearing hardware.
Technical Evolution & Future Procurement Dynamics of Architectural Cupboard Sliding Systems
The international interior design and architectural fenestration sector is undergoing a fundamental structural transition. For decades, interior cupboard and closet enclosures were treated as secondary millwork items, dominated by particle-board cores (MDF/HDF) clad in vinyl or thin melamine veneers. These legacy systems routinely suffer from moisture-induced warpage, edge delamination in humid coastal conditions, high volatile organic compound (VOC) emissions, and excessive deflection when executed beyond 2.4 meters.
In contrast, modern high-specification hospitality, multi-family, and luxury private residential master plans specify engineered structural aluminium alloy profiles (predominantly 6063-T5 and 6061-T6 temper). The superior tensile strength-to-weight ratio of extruded architectural aluminum allows engineers to achieve the coveted "invisible frame" aesthetic: sightlines of merely 12mm to 18mm holding expansive panels of acoustic safety glass, fluted architectural mirrors, Italian sintered porcelain stone, or wire-brushed natural wood panels weighing upwards of 120 kilograms per leaf.
| Engineering Parameter | Conventional Millwork Doors | DERCHI 6000-Series Architectural Systems | Procurement & Performance Advantage |
|---|---|---|---|
| Alloy / Core Standard | MDF / HDF Core with Melamine Wrap | 6063-T5 High-Purity Extruded Billet Aluminium | Immune to humidity, termites, rotational bowing, and structural sagging. |
| Sightline Width | 65mm – 110mm Stile Framework | 12mm – 20mm Ultra-Slim Structural Stile | Maximises interior light transmission and aligns with light-luxury minimalist trends. |
| Max Leaf Height | 2,400mm (requires stabilizer rods) | Up to 3,500mm Floor-to-Ceiling Execution | Eliminates clunky drywall transoms; delivers seamless continuous verticality. |
| Roller Mechanism | Nylon Wheel on Stamped Steel Housing | Quad-Bearing POM / Carbon-Steel Suspension Cartridge | Smooth whisper glide (<28 dB) rated for over 150,000 smooth operation cycles. |
| Surface Finish Spec | PVC Wrap or Spray Lacquer | Fluorocarbon (PVDF), Anodized (15-25µm), AkzoNobel Powder | Exceptional scratch and corrosion resistance for coastal projects. |
Key Future Procurement Trends Shaping 2026–2030 Contracts
1. Recessed Zero-Threshold Bottom Guidance: Modern specifications demand barrier-free universal living transitions. Traditional bottom tracks that rise 15mm–25mm above finished floor levels are rejected in top-tier hotel developments due to tripping hazards and aesthetic disruption. Procurement is shifting rapidly toward ceiling-hung top-hung carriage designs supported by concealed recessed magnetic floor pins or ultra-shallow 3mm floor channels.
2. Acoustic Isolation in Multi-Functional Spaces: With urban micro-apartments and executive hotel suites requiring multi-zone separation, cupboard sliding doors double as partition systems. Integrating double-glazed acoustic laminated glass (33.1 or 44.2 Sound Reduction acoustic interlayers) combined with precision perimeter perimeter-fleece brushes creates quiet environments, mitigating ambient reverberation by up to 34 dB.
3. Smart Concealed Soft-Dampening Systems: Standard hardware without two-way hydraulic buffering is rapidly phasing out. Advanced buyers mandate integrated, invisible two-way soft-close catches concealed inside the top track chamber, dampening door travel over the final 80mm of motion to prevent frame slam and track bounce.
Procurement Due Diligence
Frequently Asked Questions for Sourcing & Specifying
In-depth technical answers addressing extrusion chemistry, hardware durability, surface testing, and global export packaging protocols.
What metallurgical grade does DERCHI use for sliding wardrobe frames, and why is 6063-T5 preferred?
We use virgin A00-grade aluminium billets to extrude 6063-T5 and 6061-T6 magnesium-silicon architectural alloy profiles. The 6063 alloy is the gold standard for high-end fenestration and cupboard joinery because it delivers high tensile yield strength (≥160 MPa), smooth post-extrusion surface grain, and superior responsiveness to electrolytic anodizing and electrostatic powder coating. Unlike recycled scrap alloys, our extrusions do not buckle under structural glass load and guarantee zero micro-cracking during CNC milling, corner crimping, and high-precision cutting.
Can your factory accommodate bespoke floor-to-ceiling heights exceeding 3,000mm without bowing?
Yes. Standard domestic profiles typically deform when spanning over 2,400mm. To manufacture oversized doors (up to 3,500mm height), DERCHI utilizes heavy-wall engineered stiles with integrated internal reinforcement web chambers (wall thicknesses ranging from 2.0mm to 3.0mm). Furthermore, our engineering team can integrate internal mechanical tensioning rods within the profile cavity, allowing installers on site to adjust longitudinal tension and maintain vertical alignment over decades of intense operational cycles.
What surface treatments are available, and how do they resist salt-spray corrosion in coastal projects?
Our surface treatments include architectural fluorocarbon spray coating (PVDF), Qualicoat-certified electrostatic powder coating using genuine AkzoNobel powders, and hard-coat anodic oxidation (15µm to 25µm film thickness) available in champagne, titanium black, brushed brass, and natural silver. For coastal villas and marine-environment hospitality projects, our PVDF and Qualicoat-approved finishes surpass 1,000 to 3,000 hours of continuous neutral salt spray (ASTM B117) testing without blistering, chalking, or delamination.
How does DERCHI manage international export packaging to avoid glass breakage and track deformation?
Damage prevention is engineered into our manufacturing process. Every individual aluminium profile is wrapped in anti-static PE protective film, with vulnerable edges padded by closed-cell polyethylene foam cushions. Fully assembled glazed panels or knock-down (KD) framework kits are encased in heavy-gauge corrugated cartons and sealed inside ISPM 15-compliant, non-coniferous fumigation-free plywood crates reinforced with galvanized steel corner bands. Crates feature 100mm floor skids, enabling forklift access without risk of torsional distortion during intermodal container transfer.
What is the minimum order quantity (MOQ) and production turnaround for custom hospitality projects?
For custom architectural projects utilizing our existing extrusion libraries, our flexible MOQ starts at 5 sets (ideal for boutique villas, mock-up hotel rooms, or high-end residential suites). For bespoke extrusion dies manufactured to your unique design, the extrusion threshold is typically 500 kg per section. Standard manufacturing lead time upon client CAD shop drawing sign-off ranges between 20 to 30 working days, backed by scheduled shipping departures directly from Foshan or Shenzhen ports.