Engineering Grade · ASEAN ACFTA Form E Qualified

OEM/ODM Aluminium Sash Windows Manufacturer & Factory for Thailand

Engineered for Tropical Monsoon Hydrostatic Resistance, High Wind Loads, and Zero-Tariff Commercial Real Estate Procurement in Bangkok, Phuket, Pattaya & EEC Projects.

Export-Grade Architectural fenestration

High-Performance Aluminium Sash & Sliding Window Series

Manufactured from architectural virgin alloy 6063-T5/T6 with multi-chamber thermal performance, precision vertical balance counterweights, and heavy-duty coastal anti-corrosion finishes.

AS2047 Cyclone Modern Anti-Theft Aluminium Sliding Doors and Balcony Windows AS2047 Horizontal Design with Louver Curtain Tinted Glass Screen

Modern Anti-Theft Aluminium Sliding Doors and Balcony Windows AS2047 Horizontal Design

Integrated stainless louver curtain and tempered tinted glass sash. Built specifically for high-rise condos and seaside balconies needing robust security and thermal shade.

StandardAS2047 / ASTM
Profile2.0mm 6063-T6
Water Tightness450 Pa
Commercial Double Glazed Landsharp As2047 Windows Australian Standard Aluminium Sash Glazed Windows Commercial Double Glazed Aluminium Windows for Hotel

Landsharp AS2047 Commercial Double Glazed Aluminium Sash Windows for Hotel

Engineered for luxury hospitality resorts in Koh Samui and Pattaya. Features acoustic laminated Low-E IGU with an STC 38dB rating to eliminate tropical monsoon storm noise.

Glazing6mm+12Ar+6mm Low-E
Sound BarrierRw > 38 dB
ApplicationHospitality / Villa
Colonial Heritage Best Selling 3i-Low-E Hung Windows Aluminum Frame Single And Double Sash Glass Grill Colonial Style For Home Window Replacement

Low-E Colonial Hung Windows Aluminum Single & Double Sash with Internal Grill

Timeless colonial aesthetics combined with modern energy management. Double hung vertical sliders with dual concealed spiral balances, ideal for classic Thai estate properties.

SHGC0.24 Solar Block
Grill TypeInternal Argon Spacer
OperationSingle / Double Hung
Architectural Slim Double Hung Windows Modern Design High Quality of Aluminium Sash Windows Custom Hung Windows

Modern Architectural Double Hung Aluminium Sash Windows Custom Hung

Ultra-narrow sightline vertical sliding sash window system. Features constant-force spring hardware for smooth fingertip travel and high-capacity stepped drainage sills.

ProfileMulti-Cavity Eco
HardwareCaldwell US Balances
FinishAkzoNobel Fluorocarbon
NFRC Certified AMJ American Style Double Hung Window NFRC Energy Conservation Tempered Glass Heritage Sash Windows Top Hung Windows

AMJ American Style Double Hung Window NFRC Energy Conservation Heritage Sash

Top and bottom operable sashes providing top-tier natural cross ventilation without protruding into tight Bangkok high-density setbacks. Certified to NFRC thermal guidelines.

Thermal U1.7 W/m²·K
Glass Spec5mm+9A+5mm Tempered
Air Infiltration< 0.10 L/s·m²
Monsoon Proof Rogenilan American Waterproof Aluminium Double Glass Sash Window Single Double Hunge Vertical Sliding windows

Rogenilan Heavy Waterproof Aluminium Double Glass Sash Vertical Sliding Windows

Engineered with multi-fin weatherstrip barriers and backpressure check valves to block wind-driven rain penetration during Thailand's severe monsoon weather conditions.

Wind LoadServiceable 3000 Pa
Seal StripEPDM Co-extrusion
MechanismBlock & Tackle Balance
Tilt-Wash System Custom NFRC Modern Waterproof Aluminium Double Glass Sash Window Single Double Hunge American Vertical Tilt Sliding windows

Custom NFRC Modern Waterproof Double Glass Sash Vertical Tilt Sliding Windows

Equipped with inward-tilting sash latches for simple, safe interior glass maintenance on high-rise residential towers and condominiums. Complete with cam-action locks.

Tilt Angle90° Inward Maintenance
StructuralReinforced Interlocker
LockingDual Heavy Zinc Latches
Security Screen Aluminum Security Screen Door, Alu Frame 304 Stainless Steel Diamond Mesh, AntiTheft Lockable Custom Size for House Villa

Aluminum Security Screen Door Alu Frame 304 Stainless Steel Diamond Mesh

Integrated matching protection for sash window elevations. Knife-shear resistant marine-grade 304 stainless steel mesh prevents intrusion and keeps out tropical insects while preserving airflow.

Mesh Material304 Stainless 0.8mm
Anti-TheftMulti-Point Rod Lock
Insect Screen11-Mesh High-Tensile
180,000m²
Smart Manufacturing Plant
600+
Specialist Technicians & Crew
100+
International Patents & Testing
0%
Import Duty (Form E to Thailand)
Engineered for the Kingdom of Thailand

Localized Applications: Solving Climate & Architectural Demands

Thailand's tropical savanna and coastal monsoon microclimates demand architectural fenestration that surpasses generic building standards. Our OEM/ODM sash windows are tailored for key Thai regional challenges.

Bangkok High-Rise Condominiums

In high-density districts such as Sukhumvit, Sathorn, and Rama 9, vertical property developments require strict structural deflection limits and urban acoustic isolation. Our aluminium sash windows feature heavy-gauge interlockers rated for high wind pressures up to 3,500 Pa at elevations over 100 meters, alongside insulated double-glazed argon units that attenuate street noise by 36–42 dB.

Acoustic STC 38dB Narrow 45mm Sightline Deflection Class L/250

Coastal Luxury Villas in Phuket & Koh Samui

Exposed hillside estates and beachfront properties face salt spray, coastal humidity, and wind-driven monsoon squalls. We apply marine-grade AkzoNobel Class 2 fluorocarbon (PVDF) powder coating tested to 3,000+ hours of continuous neutral salt spray (ASTM B117), combined with multi-chamber stepped sills that drain moisture without internal weeping.

Qualicoat Class 2 / PVDF ASTM B117 3000h Salt Spray 304 Stainless Balances

Eastern Economic Corridor (EEC) Mixed-Use

Industrial commercial offices, hotel towers, and executive residential campuses in Chonburi and Rayong require streamlined energy audits and strict budget compliance. Our direct OEM factory pricing paired with Form E zero-tariff certification minimizes unit costs while meeting LEED and TREES (Thai's Rating of Energy and Environmental Sustainability) benchmarks.

Form E 0% Tariff TREES / LEED Compliant Value Engineering ROI
Market Dynamics & Engineering Outlook

Thailand Fenestration Trends & Technical Requirements

The construction sector across Thailand is transitioning away from single-pane untreated frames toward thermally insulated, certified systems. We outline four core engineering trends driving window sourcing.

Performance Metric Common Thai Market Windows DERCHI OEM/ODM Sash Windows Engineering Value for Thai Developers
Aluminium Ingot Grade Recycled scrap extrusions, variable wall thickness (1.0–1.2mm) 100% Virgin 6063-T5/T6 alloy, precision 1.6mm–2.2mm profiles Resists wind warping; long-term durability in high-wind zones
Surface Treatment Standard domestic powder coat (< 40 μm, chalks within 3 yrs) AkzoNobel / PPG Fluorocarbon PVDF / Qualicoat Class 2 (> 65 μm) Resists tropical UV fading, salt-air degradation, and chalking
Water Tightness Rating 150–250 Pa (Prone to flooding during typhoons) 450–600 Pa (Stepped sub-sills with silicone-sealed baffles) Eliminates interior water damage and tenant warranty claims
Glazing Configuration Single 5mm or 6mm ordinary float glass (SHGC ~0.82) Double Low-E laminated or tempered argon units (SHGC 0.22–0.28) Lowers HVAC operational costs; qualifies for LEED and TREES points
Counterbalance Hardware Low-grade manual friction pins (sticky, short lifespan) Heavy-duty US Caldwell spiral balances / Torso constant-force Fingertip vertical operation rated for 30,000+ operational cycles
Enterprise Manufacturing Capabilities

Guangdong Manufacturing Strength Built on 25+ Years of Engineering

DERCHI is the export architectural brand of Guangdong Dejiyoupin Doors and Windows Co., Ltd. Backed by a modernized 180,000-square-meter intelligent manufacturing hub in Foshan, China, we operate as a direct factory partner for general contractors, architectural firms, property developers, and window dealers across Thailand.

By bypassing third-party trading intermediaries, our partners obtain direct access to in-house CAD drafting, parametric structural calculations, custom profile dies, and testing laboratories. We have delivered successful projects across Southeast Asia, North America, Australia, and the Middle East.

  • 180,000 m² Automated Facility: Automated CNC double-mitre saws, computerized glass sealing, and continuous quality inspection.
  • ASEAN ACFTA Form E Specialists: Complete customs documentation provided for smooth entry into Port of Bangkok (Klong Toey) and Laem Chabang with 0% tariff status.
  • Free Parametric CAD/BIM Shop Drawings: In-house structural engineers convert architectural elevations into shop drawings within 48 hours.
Panoramic view of the Guangdong Dejiyoupin Doors and Windows Co., Ltd. 180,000m² factory production base

100+ Verified Certificates

Certified to international testing frameworks including AS2047, CE, ISO9001, and UL fire standards, backed by 30+ design and structural utility patents.

Bespoke OEM/ODM Customization

Custom profile extrusion dies, powder coating matched to RAL/Pantone colors, variable sash split configurations, and architectural muntin bars.

Export-Grade Crating

Each window is wrapped in protective pearl cotton film and secured inside IPPC-certified fumigated solid plywood crates with desiccant packs for maritime shipping.

Dedicated ASEAN Project Support

Bilingual English/Mandarin engineering support coordinates directly with your project managers, quantity surveyors, and jobsite teams across Thailand.

Procurement & Logistics Guidance

Frequently Asked Questions: Sourcing Windows from China to Thailand

Essential trade details covering customs clearance, lead times, tropical specification requirements, and quality control protocols for Thai buyers.

What are the import duties and taxes when sourcing aluminium sash windows from your factory to Thailand?
+
Under the ASEAN–China Free Trade Area (ACFTA) agreement, our factory supplies an official Certificate of Origin Form E. With Form E, the normal Thai customs import tariff on aluminium window profiles and fenestration units (HS Code 7610.10) is reduced from 20% down to 0%. Thai buyers only need to cover standard local Value Added Tax (VAT, 7%) and standard port clearance handling charges at Bangkok Port (Klong Toey) or Laem Chabang Deep Sea Port.
How do your sash windows prevent water leakage during severe monsoon rainstorms?
+
Unlike basic sliding windows that rely on shallow tracks, our aluminium sash and hung windows feature engineered multi-barrier defenses: (1) Deep-well stepped drainage profiles that prevent water backing up into internal sill cavities; (2) EPDM automotive-grade co-extruded compression weatherstripping with siliconized brush seals on all four sides of the moving sash; (3) Gravity-weighted flap valves over the weep holes that permit outgoing drainage while blocking incoming wind pressure up to 600 Pa.
What is the standard production and shipping lead time to Bangkok or Phuket?
+
Standard OEM production spans 25 to 35 calendar days following final sign-off on CAD shop drawings and glass specifications. Maritime container transit from Guangzhou / Nansha / Shenzhen ports directly to Laem Chabang or Bangkok Klong Toey port takes approximately 5 to 8 days at sea. Including clearance and inland trucking, total delivery timeline from production approval to your project site in Thailand generally ranges between 38 and 48 days.
Can you supply custom profile colors to match local Thai architectural design guidelines?
+
Yes. We offer fully custom electrostatic powder coating, fluorocarbon PVDF finishes, and natural anodic oxidation. We regularly match RAL color palettes (such as Charcoal Grey RAL 7016, Deep Black RAL 9005, and Modern Architectural White) alongside realistic 3D thermal-transfer timber textures (teak, golden oak, dark walnut). All architectural coatings utilize certified AkzoNobel or PPG powders backed by 15 to 25 year warranty documentation against UV weathering and color shifting.
What counterbalance mechanism do your vertical hung sash windows use?
+
We integrate commercial-grade concealed spiral balances and constant-force spring balance systems engineered by leading US suppliers (Caldwell and Torso). Every sash balance is calculated precisely to the weight of the double-glazed IGU, allowing sashes weighing up to 55 kg to glide vertically and remain open at any position along the travel run. Systems are salt-spray tested to 500 hours to ensure smooth, rust-free operation in coastal areas.
Can your engineering team support CAD shop drawing submittals and mock-up prototypes?
+
Yes. Our structural design team provides full-scale BIM objects, AutoCAD shop drawings, anchoring layout diagrams, structural calculations, and thermal modeling to support local municipal building submissions in Thailand. For commercial projects, hotels, and condominium developments, we build full-scale pre-production physical corner samples and complete operable window mockups for project approvals prior to mass container production.

Plan Your Next Thailand Project with Our Engineering Team

Send over your window schedules, architectural elevations, or structural requirements. Our project engineers will review your files, run wind-load calculations, and issue factory-direct pricing with complimentary CAD shop drawings.