
Get Tailored Support from DERCHI Experts.
From fast project quoting and system selection to compliance documents and delivery coordination, DERCHI helps builders, distributors, and commercial buyers move faster with less risk.

Get a Project Quote Within 1 Business Day
Send us your product type, quantity, dimensions, and timeline, and our team will provide a clear quotation with lead time guidance within 1 business day. For urgent projects, we can also arrange priority follow-up by email, phone, or video call.

Confirm the Right System for Your Project
Our specialists help you compare opening types, frame structures, glazing options, and hardware configurations based on your project requirements, climate conditions, and performance targets.

Receive Compliance and Performance Support
Need NFRC-related data, U-Factor and SHGC information, or project performance documentation? DERCHI helps you review key technical data and prepare the materials needed to support specification and purchasing decisions.

Plan Production and Delivery with Confidence
From sample confirmation to production scheduling, export packaging, and shipment coordination, DERCHI supports every stage of order execution so your timeline stays clearer and more controllable.
Project Support for Custom Window & Door Requirements
DERCHI supports project teams with technical consultation, climate-based recommendations, compliance documentation, and customizable system options—helping you move from concept to order with greater clarity.

Project Design Consultation
Work with DERCHI specialists to review opening types, layout requirements, and design priorities for residential, commercial, or mixed-use projects. We help align product choices with both function and appearance.

Climate & Performance Matching
Different climates demand different performance priorities. DERCHI helps evaluate wind load, thermal performance, glazing configuration, and weather resistance requirements so you can choose systems that fit your market and application.

Compliance & Test Documentation
We provide support for product certifications, tested performance data, and technical documentation needed for project review, specification alignment, and buyer confidence.

Custom Sizes, Glazing & Hardware Options
From frame dimensions and glass packages to finishes and hardware selections, DERCHI helps configure systems that match project requirements, performance goals, and installation conditions.
System Configuration Options
Explore the material, structure, glass, and hardware options that can be tailored to your project’s performance targets, design needs, and budget priorities.
Materials
Structure
Glass
Hardware
Global Delivery Assurance
With extensive international shipping experience, DERCHI helps reduce delivery uncertainty through export-grade packaging, shipment coordination, customs support, and real-time tracking visibility.

DERCHI’s Delivery Coordination Process
Export Logistics Planning — Authorized export handling and shipment preparation
Documentation & Customs Coordination — Support for export paperwork and compliance procedures
Ocean / Air Freight Arrangement — Partner carrier coordination based on timeline and destination
Arrival & Clearance Support — Assistance with import process visibility and shipment progress
Final Delivery to Site — Clear handoff from shipment arrival to project destination
Project Coordination & Technical Support
Successful window and door sourcing depends on more than product supply. DERCHI supports your project with specification review, sample confirmation, production follow-up, and technical communication throughout the order process.

Why Technical Coordination Matters
Clear technical coordination helps prevent mismatched specifications, avoid unnecessary delays, and keep decision-making aligned across procurement, design, and production. DERCHI works with your team to confirm key details before manufacturing begins.
From opening configuration and glazing packages to hardware compatibility and project documentation, our team helps reduce uncertainty at each step so orders move forward with greater clarity and control.
Our 5-Step Project Process
A clear process helps reduce delays, improve communication, and keep your custom window and door order moving forward with confidence.




After-Sales Support That Protects Your Project
DERCHI provides structured after-sales support to help buyers resolve questions quickly, coordinate replacement needs efficiently, and maintain confidence after delivery.

Fast Response Channels: Reach our team through email, phone, or WhatsApp for technical questions, shipment follow-up, or post-delivery support requests.
Technical Review & Solution Support: Our specialists help review issues, confirm specifications, and coordinate practical next steps for replacement parts, adjustments, or technical clarification.
Continuous Service Improvement: Customer feedback helps us improve product quality, documentation clarity, and support workflows across future orders and project deliveries.
Transparent Warranty Protection
DERCHI’s warranty support is designed to give buyers greater clarity on covered components, product quality commitments, and post-delivery support expectations.
Exterior Finish & Coating
Glass Performance & Coverage
Hardware & Operating Components
Sealants & Bonding Components
Frame Material & Structural Quality
Certifications & Performance Documentation for North American Projects
Review DERCHI’s certifications, tested performance records, and compliance-related documentation that support specification review, buyer evaluation, and project confidence.
Global Success Stories: DERCHI in Action
Explore how DERCHI window and door systems have been applied across residential, commercial, and performance-focused projects in international markets.
18-day delivery kept our project on schedule

Mike R
18-day delivery kept our project on schedule






