Factory Catalogue
Featured Architectural Systems & Fenestration Assemblies
Precision-extruded, thermally broken aluminium profiles, tilt-and-turn windows, and heavy-duty structural entry barriers calibrated for high condensation differential and sub-zero durability.
Engineering Whitepaper
The Physics of Sanitary Fenestration: Condensation Mitigation in Russian Sub-Zero Envelopes
Bathroom fenestration in the Russian Federation represents one of the most critical thermodynamic challenges in building envelope engineering. Unlike standard residential glazing installed in dry zones (living rooms, bedrooms), a bathroom window functions under continuous internal vapour pressure. High relative humidity (frequently exceeding 80% to 90% RH during showers or hydrothermal bathing) collides with exterior ambient temperatures that plummet to -30°C in Moscow and Saint Petersburg, and well below -45°C in the Ural and Siberian federal districts (Novosibirsk, Krasnoyarsk, Yekaterinburg).
Under these extreme conditions, standard aluminium profiles act as acute thermal bridges. Without sophisticated engineering, the interior profile surface drops below the dew point temperature within minutes, resulting in aggressive surface condensation, frost deposition, structural mould germination behind drywall linings, and premature degradation of hardware mechanisms. As an export manufacturer supplying engineering contractors, property developers (such as PIK and Samolet specifiers), and regional distributors across Russia, our manufacturing protocols integrate Polyamide PA66-GF25 multi-cavity thermal insulation strips, co-extruded cellular EPDM perimeter seals, and warm-edge spacer bar technology.
Multi-Cavity PA66 GF25 Strips
We incorporate 34mm to 45mm glass-fibre reinforced polyamide thermal barriers. By isolating the external and internal aluminium extrusions, we eliminate convective loops inside profile chambers, maintaining interior surface temperatures above the critical 12.8°C dew point line under -30°C exterior conditions.
Triple Glazing with Warm-Edge
Our bathroom glazing units utilize double-laminated or tempered Low-E glass panes filled with 90% Argon gas cavities (4Low-E + 16Ar + 4Float + 16Ar + 4Low-E). Composite stainless steel/polymer warm-edge spacers prevent peripheral condensation along the glass edge where 80% of window condensation typically occurs.
EPDM Triple-Barrier Gasketing
Equipped with continuous vulcanized EPDM middle barrier gaskets and vulcanized corners. The multi-chambered central gasket system provides exceptional airtightness (Class 4 according to EN 12207 / Class A according to GOST 23166-2021), preventing warm, humid bathroom air from penetrating internal frame drain cavities.
Micro-Ventilation & Sanitary Air Exchange: Meeting SNiP and GOST Protocols
A sealed bathroom without controlled natural ventilation turns into a high-risk moisture trap. In Russian multi-family residential complexes and luxury cottage communities, building regulations (SNiP 41-01-2003 and SP 60.13330) mandate controlled background air exchange without dropping indoor ambient temperatures. Our aluminium bathroom tilt-and-turn series feature integrated four-stage micro-ventilation (микропроветривание) hardware. By disengaging the primary compression seal by 3mm to 5mm at a 45-degree handle position, the window allows continuous, draught-free moisture dispersion while preventing sash freezing, hardware jamming, and excessive thermal loss.
Application Engineering
Localized Application Scenarios Across the Russian Federation
From premium high-rise residential renovations in Moscow to hydrothermal banya developments in the Altai Republic, our fenestration systems are engineered for specialized regional building topologies.
High-Rise Master Bathrooms (Moscow & SPb)
Modern luxury residential complexes (ZhK) feature floor-to-ceiling panoramic master bathroom glazing. Our 75mm and 85mm architectural systems provide high structural inertia (Ix value) to resist severe wind shear forces at 25+ storeys, while obscure smart-tinting switchable PDLC glass guarantees complete acoustic isolation and visual privacy.
Private Chalets & Dacha Estates
High-end suburban timber and aerated autoclaved concrete (AAC) cottages outside the MKAD and in the Leningrad Region demand aesthetic harmony with thermal reliability. Our wood-grain powder-coated and aluminium-clad wood window assemblies seamlessly match cedar, pine, or larch interior finishes while exterior aluminium protects against driving snow and freeze-thaw cycles.
Commercial Banya & Spa Complexes
Hydrothermal wellness facilities in Sochi, Altai, and Karelia present extreme steam concentrations. Standard hardware corrodes rapidly in these atmospheres. We deploy marine-grade anodized profiles (20μm minimum film thickness) coupled with 316-grade stainless steel locking cams, frictionless friction stays, and antimicrobial silicone seals designed for continuous 100% humidity.
In municipal renovations and developer-led build-to-rent projects in industrial cities such as Nizhny Novgorod, Samara, and Kazan, durability and long-term operating costs are the decisive procurement criteria. PVC alternatives warp, crack, and discolour under intense seasonal temperature swings spanning from +35°C in summer down to -35°C in winter. Thermally isolated 6063-T6 architectural aluminium offers a linear thermal expansion coefficient half that of PVC, ensuring structural alignment and hermetic compression over a 50-year service life.
Russian Market Trends
Market Transformation: European Profile Substitution & GOST Harmonization
The Russian fenestration and architectural building components sector is undergoing an unprecedented structural transformation. Historically, high-end developers and architectural studios in the Russian Federation relied heavily on German profile extrusions (Schüco, Reynaers, Aluplast). Following global trade realignment and supply chain disruptions, Russian project developers face severe supply constraints, prohibitive pricing, and absent manufacturer warranties from Western European suppliers.
Consequently, the market has pivoted toward first-tier Chinese precision manufacturers capable of delivering identical or superior engineering tolerances, European-standard automated fabrication, and direct alignment with the Russian regulatory framework. Specifically, our systems are manufactured to satisfy and exceed:
- GOST 22233-2018: Architectural extruded sections of aluminium alloys for enclosing building structures.
- GOST 23166-2021: Window and balcony door units — standard general technical specifications for mechanical stability and air/water infiltration.
- GOST 24866-2014: Insulating glass units — thermal resistance and argon hermetic retention under thermal cycling.
- SP 50.13330.2012 (Thermal Performance of the Buildings): Enforcing total reduced thermal resistance values (Ro) up to 0.80 – 1.05 (m²·°C)/W for exterior residential envelopes.
Comprehensive Technical Specification Matrix
To assist Russian procurement engineers, chief project architects (GIP/GAP), and import specifiers, the comparative technical parameters of our architectural bathroom window series are detailed below:
| Engineering Property | Standard Configuration | Extreme Arctic Grade | Russian GOST Metric |
|---|---|---|---|
| Alloy & Temper | Primary AlMgSi0.5 (6063-T6) | High-Structural 6061-T6 / 6063A | GOST 22233-2018 |
| Thermal Transmittance (Uf) | 1.6 W/(m²·K) (Ro ≈ 0.63) | 0.88 W/(m²·K) (Ro ≈ 1.14) | Class 1 (GOST 23166) |
| Glazing Architecture | 32mm Double Glass (Low-E + Ar) | 48mm - 54mm Triple Glass Unit | GOST 24866-2014 |
| Thermal Break Profile | 34mm Technoform PA66 GF25 | 45mm Aerogel-Infused Polybar | Multi-Chamber Insulated |
| Air Permeability | Class 4 (< 0.75 m³/h·m) | Class 4 (< 0.50 m³/h·m) | Class A (GOST 23166) |
| Watertightness Under Pressure | Class E900 (900 Pa differential) | Class E1200 (1200 Pa storm) | Zero leak under Russian snowstorms |
| Surface Protection | Qualicoat Class 2 Powder Coat | Seaside Marine Anodized (25μm) | Resistant to salt, frost, & chemicals |
| Acoustic Isolation (Rw) | 38 dB - 42 dB Sound Reduction | 45 dB - 48 dB Acoustic Glass | Eliminates urban motorway noise |
Manufacturing Scale
Guangdong Dejiyoupin (DERCHI): Engineered in Foshan, Trusted Globally
Over 25 years of specialized fenestration manufacturing, operating one of Asia's most sophisticated automated architectural aluminium production bases.
Operating under the DERCHI banner in Shishan Town, Foshan — the globally recognized nexus of aluminium metallurgical extrusion and tooling — our industrial base represents true end-to-end manufacturing capability. When importing fenestration products into the Russian Federation, tier-one developers and distributors require absolute certainty regarding dimensional accuracy, metallurgical purity, delivery reliability, and custom CAD shop drawing verification.
180,000
Square Metres Base
600+
Skilled Craftsmen
100+
Patents & Accreditations
25+
Years Industry Experience
German CNC Machining
Our workshops employ 5-axis Elumatec CNC profile milling centres. Corner joints are joined with structural cast-corner cleats, pneumatic double-pin crimping, and injected two-component polyurethane adhesives to guarantee 100% hermetic joints.
Certified Quality Control
Certified under ISO 9001, CE, AS 2047, and UL fire rating standards. Every export batch undergoes in-house pressure testing in our calibrated air-water-wind chamber, ensuring complete compliance before crating.
Heavy-Duty Arctic Packaging
Windows are packed with multi-layer surface protective films, corner foam armoring, desiccated moisture-barrier wrapping, and solid non-fumigation plywood crates built to withstand rough multimodal rail and sea transit.
Direct Technical Engineering
Our dedicated project engineering desk provides complete AutoCAD shop drawings, static wind load calculations, thermal boundary calculations, and installation manuals customized for Russian building assemblies.
Buyer Intelligence
Frequently Asked Questions: B2B Sourcing for the Russian Market
Practical, direct answers covering financial settlements, multimodal logistics, cold-climate warranties, and regulatory certification.
How do Russian developers and trading companies handle financial settlements and currency payments?
We provide streamlined financial channels designed for cross-border trade between China and Russia. Direct bank wire transfers can be completed in Chinese Yuan (CNY / RMB) via non-sanctioned partner banks utilizing CIPS (Cross-Border Interbank Payment System). We also support established trading agency intermediaries in third jurisdictions (such as UAE, Kazakhstan, or Hong Kong), Letter of Credit (L/C) arrangements, and standard B2B invoice contracts tailored to Russian customs clearance requirements.
What are the primary shipping routes, lead times, and customs clearance protocols for Russia?
We offer three reliable multimodal logistics routes to Russian industrial centres:
1. Direct Rail Freight: Direct container trains departing Guangzhou/Foshan via the Manzhouli/Zabaikalsk land port, arriving at Vorsino/Silikatnaya (Moscow region) within 18–25 days.
2. Sea Freight via Vladivostok/Vostochny: Ocean shipment to Far East ports followed by the Trans-Siberian railway connection (lead time: 22–30 days).
3. Deep-Sea Route to Saint Petersburg or Novorossiysk: Ideal for bulk project orders, taking approximately 40–50 days. All documentation (Packing Lists, Commercial Invoices, Certificates of Origin Form A/E, Russian translations, and HS Codes under Heading 7610) is verified before container loading.
1. Direct Rail Freight: Direct container trains departing Guangzhou/Foshan via the Manzhouli/Zabaikalsk land port, arriving at Vorsino/Silikatnaya (Moscow region) within 18–25 days.
2. Sea Freight via Vladivostok/Vostochny: Ocean shipment to Far East ports followed by the Trans-Siberian railway connection (lead time: 22–30 days).
3. Deep-Sea Route to Saint Petersburg or Novorossiysk: Ideal for bulk project orders, taking approximately 40–50 days. All documentation (Packing Lists, Commercial Invoices, Certificates of Origin Form A/E, Russian translations, and HS Codes under Heading 7610) is verified before container loading.
Do your aluminium bathroom windows comply with GOST thermal insulation standards for cold climates?
Yes. Standard European windows often fail in Russian regions due to insufficient thermal resistance (Ro values below 0.55 m²·°C/W). Our specialized Russian Series features profile depths from 75mm to 108mm with 34mm to 45mm multi-chamber polyamide thermal barriers and triple insulated glazing. This setup achieves a reduced total thermal resistance Ro ≥ 0.85 – 1.05 (m²·°C)/W, fully satisfying and exceeding the strict energy criteria of SP 50.13330.2012 for Moscow, Saint Petersburg, the Volga Region, and southern Siberia.
How do you guarantee frost resistance and seal durability under -40°C temperature extremes?
Standard rubber gaskets crack and lose elastic recovery when subjected to deep sub-zero conditions. We utilize exclusively high-polymer closed-cell EPDM weatherstripping formulated with cold-resistant plasticizers, tested to retain elasticity down to -50°C without hardening. Furthermore, our multi-point perimeter locking hardware incorporates adjustable mushroom cams that maintain airtight compression against the frame even during building settlement and heavy thermal cycling.
Can you produce custom glass obscure finishes, ventilation louvres, and architectural colors?
Every unit is custom-engineered. For bathroom privacy, options include acid-etched frosted glass, reeded/fluted obscure patterns, bronze/grey reflective tinting, and smart switchable electronic PDLC glass. Frame finishes can be powder coated to any international RAL colour (with RAL 7016 Anthracite Grey, RAL 9005 Jet Black, and RAL 8019 Grey Brown being the most requested in Russian contemporary architecture) utilizing AkzoNobel or Tiger Drylac powders backed by 20-year outdoor UV warranties.
What technical support and shop drawing approvals do you provide before production?
We never begin fabrication without verified documentation. Upon receipt of your architectural window schedule or rough structural opening dimensions, our in-house engineering department prepares comprehensive 1:1 scale AutoCAD shop drawings detailing horizontal and vertical cross-sections, thermal boundary profiles, drainage outlet channels, structural expansion gaps, and anchoring points. These are submitted directly to your technical director for written sign-off.
Procure Certified Fenestration Directly from the Manufacturer
Submit your architectural window schedule, project tender drawings, or container procurement inquiries. Our engineering team prepares technical proposals, Ro thermal calculations, and factory-direct pricing within 24 hours.