DERCHI Window and Door Service

DERCHI is a leading window and door service provider for residential and commercial properties. With decades of expertise and certified specialist teams, we deliver precision-engineered solutions that set the benchmark in customized installation and maintenance services across global markets. Our commitment to quality craftsmanship ensures seamless project execution for every client.

Home Services

Get Tailored Support from DERCHI Experts.

At DERCHI, we prioritize seamless collaboration with homeowners and businesses. Our team of certified professionals delivers personalized guidance, transparent project quotations, and turnkey solutions for windows and doors. From design consultation to post-installation support, we simplify every phase of your project.

How quickly can I receive a customized proposal?

Submit your requirements via our contact form, and a DERCHI specialist will provide a detailed proposal within 1 business day. For time-sensitive projects, specify your deadline to activate priority assistance—including direct communication via email, phone, or video call.

Can I evaluate products before finalizing orders?

Absolutely. Visit our state-of-the-art showroom to explore material samples, test performance features, and discuss technical details with our engineers. For international clients, we also offer virtual 3D tours and live video demonstrations to ensure informed decision-making.

Transform Your Space with Expert Guidance

Describe your vision and secure a free, no-commitment proposal from DERCHI’s certified window and door specialists.

Request Your Quote

Customize Windows and Doors

DERCHI offers tailored design solutions to fulfill the unique needs of homeowners and businesses. From precise measurements to material selection, we collaborate with you to create windows and doors that blend functionality, aesthetics, and long-term value.

Window and Door Safety

Proper installation and routine maintenance by DERCHI-certified technicians ensure optimal security and accident prevention. Our team provides actionable checklists and personalized guidance to help you maximize product safety and longevity.

Climate Change

Local climate conditions directly impact window and door performance. DERCHI evaluates your regional weather patterns—including temperature extremes, humidity, and wind loads—to recommend designs that enhance energy efficiency and weather resistance.

Product Certifications

All DERCHI products comply with ISO 9001, CE, and ASTM International standards, rigorously tested for structural integrity, thermal insulation, and safety. These certifications guarantee reliability for both residential and commercial applications.

Home Intelligence

Integrate DERCHI’s smart-ready windows and doors with your home automation systems for remote control, real-time security monitoring, and energy consumption tracking—achieving seamless connectivity and modern living convenience.

Component List

While components may seem interchangeable, DERCHI prioritizes precision-engineered parts that exceed industry benchmarks. Our rigorously tested hardware systems, when expertly paired, elevate durability, security, and energy performance for residential and commercial projects.

Materials

Structure

Glass

Hardware

Global Delivery Assurance

Leveraging 20+ years of international logistics expertise, DERCHI guarantees cost-efficient shipping, streamlined customs clearance, 24/7 cargo tracking, and damage-free delivery. Share your destination details and preferred timeline—we manage the rest, ensuring your windows and doors arrive securely and on schedule.

DERCHI’s Supply Chain Network

Export Logistics (Authorized China Forwarder)

Departure Port (Export Documentation & Customs)

Ocean/Air Freight (Partner Carriers)

Arrival Port (Import Compliance & Clearance)

Final Destination (Your Site)

Professional Window & Door Installation Services

We’re delighted to finalize your order. Your custom-designed windows and doors will be crafted within 4-5 weeks and shipped securely to your region. DERCHI’s certified local technicians will then execute precision installation, ensuring seamless integration with your property’s architecture and maximum energy efficiency.

Why Does Installation Expertise Matter?

Professional installation is the cornerstone of maximizing your window and door investment. Even the highest-quality products can fail to deliver energy savings, security, or noise reduction if installed improperly. DERCHI’s factory-trained technicians undergo rigorous certification in structural alignment, load distribution, and climate-specific sealing protocols. They ensure every component—from thermal-break frames to multi-point locks—operates synergistically to meet ISO 9001 performance standards.

DIY or unqualified installers often overlook critical details: uneven weight distribution strains hinges, gaps in insulation foam invite moisture damage, and misaligned sashes compromise airtightness. These errors lead to 20-30% higher energy bills, premature hardware wear, and even structural risks in extreme weather. With DERCHI, your project benefits from millimeter-precision laser leveling, ASTM-compliant sealants, and post-installation thermal imaging scans—guaranteeing decades of trouble-free operation for homes and commercial properties alike.

4 Critical Installation Practices for Optimal Results

Follow DERCHI’s industry-tested guidelines to avoid common pitfalls and ensure flawless functionality for decades:

Full Frame Replacement

Floor-Specific Soundproofing

Triple-Layer Sealing System

Rigorous Pre- and Post-Installation Checks

Exceptional After-Sales Service & Support

How does DERCHI ensure seamless post-installation satisfaction?

Instant Feedback Channels: Reach our support team 24/7 via phone, email, WhatsApp, or DERCHI’s dedicated app. Report issues in real-time with photo/video uploads for rapid diagnosis—guaranteeing a response within 1 hour.

Tailored Solutions & Repairs: Our certified technicians resolve problems through remote guidance, on-site visits, or component replacements. Whether recalibrating smart locks, resealing gaps, or upgrading hardware, we prioritize minimal disruption to your home or business.

Continuous Improvement Cycle: Every case is logged in DERCHI’s global database. Quarterly audits analyze trends to enhance product durability and installer training programs, ensuring evolving excellence.

Transparent Warranty Protection

DERCHI’s industry-leading warranty covers defects in materials and craftsmanship, excluding damage from misuse or external forces. Explore covered components and terms:

External Coating

Glass

Hardware

Glue parts

Frame Material Quality

Certifications & Compliance: Our Global Quality Benchmark

DERCHI’s commitment to excellence is validated by rigorous international certifications. Below, review our accredited testing reports and industry-recognized standards—proof of unmatched durability, safety, and environmental compliance for your peace of mind.