DERCHI OEM/ODM & Engineering Support: Turnkey Window & Door Solutions

Certified manufacturing, flexible custom architectural solutions, and global supply chain expertise for commercial projects, brands, and distributors worldwide.

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FAQ & Rapid Response

How quickly can I receive a customized technical proposal?

Submit your architectural schedules or CAD drawings via our portal. A DERCHI project engineer will deliver a detailed commercial proposal and cost analysis within 1 business day. For time-sensitive bidding projects, specify your deadline to activate our Priority Assistance Track (includes direct alignment via video conference).

Can we evaluate product samples before placing bulk orders?

Absolutely. We provide material cross-section samples and hardware mock-ups for your engineering evaluation. International clients can also leverage our live video technical demonstrations and virtual 3D factory tours to inspect our production lines in real-time.

Customization & Technical Capabilities

DERCHI delivers tailored architectural solutions to fulfill strict building codes and design intents. We collaborate directly with architects, developers, and OEM brands to engineer window and door systems that balance structural load, thermal efficiency, and long-term asset value.

01

Engineering Vectors

DERCHI Technical Specifications & Capabilities
02

Profile & Structure

High-tensile Aluminum Alloy, Thermal Break Profiles, Reinforced multi-cavity structures. Customized frameworks simulated for localized wind loads and U-values.
03

Glass Integration

Double/Triple glazing, Low-E coatings, Argon-filled IGUs, Laminated safety glass, Acoustic interlayers ($STC \ge 40$), and solar control tints.
04

Hardware Systems

Strategic partnerships with global Tier-1 hardware brands: WEHAG, Kerssemberg, HOPO, PAG, and VBH. Customized finishes (Matte Black, Brushed Nickel) and heavy-duty multi-point locking mechanisms.
05

Smart Automation

Smart-ready profiles integrated with IoT home automation systems for motorized operation, remote access control, and real-time security monitoring.
06

Climate Compliance

Specialized engineering for extreme weather resistance, evaluating regional wind loads, structural deflections, and thermal insulation requirements ($U\text{-factor} \le 1.0$).

Supply Chain & Global Logistics

Global Delivery Assurance & Logistics Network Supply

Leveraging 20+ years of international logistics expertise, DERCHI guarantees cost-efficient shipping, friction-free customs clearance, and damage-free site delivery. You define the destination and timeline—our dedicated logistics unit manages the complex compliance frameworks.

Export Logistics

Authorized China Freight Forwarding alignment.

Departure Port

Complete export documentation, customs declaration, and compliance packing.

Freight Management

Strategic ocean/air carriers with 24/7 container tracking.

Import Clearance

Seamless port-of-entry compliance handling.

Jobsite Delivery

Secure, palletized delivery (protective film + reinforced plywood crates) straight to your project site.

Why Precision Installation Dictates Product Longevity

Even the highest-rated structural window fails if the perimeter sealing or leveling is compromised. Improper field installation accounts for up to 30% of energy loss and premature hardware fatigue. DERCHI products are engineered to comply with strict ISO 9001 and ASTM standards. We support your local installation crews with comprehensive field manuals and digital alignment protocols to guarantee systemic performance.

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Critical Field Installation Benchmarks

Full-Frame Structural Alignment

En: Complete removal of temporary openings; utilizes laser-leveling tools and corrosion-resistant shims to eliminate thermal bridging and framework twisting.

Floor-Specific Acoustic Sealing

En: High-rise applications (10+ stories) undergo reinforced structural anchoring and specialized perimeter dampening to withstand elevated wind pressures and block urban noise.

Triple-Layer Weatherproofing System

En: Combining premium silicone-based weatherstripping, expanding polyurethane insulation foam, and heavy-duty butyl flashing tape to create an airtight, watertight barrier.

Pre- & Post-Installation Quality Audits

En: Rigorous field verification of rough openings, hardware cycle smoothly, and seal uniformity, backed by our zero-defect engineering commitment.

After-Sales Support & Transparent Warranty

1-Hour Feedback Loop

Technical Remediation

1-Hour Feedback Loop

Report field issues 24/7 via phone, email, or WhatsApp. Digital diagnostic uploads (photos/videos) ensure immediate troubleshooting by our engineering team.

Technical Remediation

Rapid deployment of replacement components, technical guidance, or on-site localized service coordination to minimize project delays.

Global 10-Year Warranty Matrix

Our commercial warranty guarantees structural integrity and material performance under rigorous usage conditions (excluding intentional or third-party mechanical damage):

10 Years

Structural Frame Profile

10/15 Yrs

External Surface Coatings

(Upgraded to 15 Years for PVDF/Fluorocarbon finishes)

10 Years

Insulated Glass Units (IGUs)

10 Years

Precision Hardware Systems

10 Years

Weatherstripping & Seal Componentry