Duomada
About Us

Duomada

The company actively practices the concept of green protection, and its products have excellent insulation and sealing performance. It adopts a solar system as energy support, and the modular design supports repeated disassembly and utilization, helping green buildings achieve development. In the market competition, Domashang (Tianjin) Windows and Doors Co., Ltd. shows many aspects of competitive advantages: it has a range of skylight products, has the ability to customize irregular and ultra-l
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Company Overview
Main Markets North America, Worldwide, Western Europe
Business Type Manufacturer
Brands DUOMADA
No Of Employees 60~65
Annual Sales 50 million-80 million
Year Established 2012
Export Percentage 30% - 40%
Customers Served 2000

About Duomada (Established in 2012)

Since its founding in 2012, Duomada has been a dedicated pioneer in the smart skylight industry and is recognized as China’s first full-chain service provider for aluminum alloy electric skylights. The company integrates R&D, design, manufacturing, sales, and after-sales service, with a core philosophy centered on professionalism and personalized solutions, continuously driving innovation and application in smart skylight technology.


1. Product Advantages

  • Comprehensive Product Portfolio: Four mature product lines covering a full range of roof window solutions.
  • Zero Leakage Guarantee: Features a triple-layer waterproofing system and a high-performance sealed drainage design.
  • Superior Safety & Durability: Constructed with laminated insulating tempered glass and high-grade hardware for exceptional impact resistance.
  • Customization Capability: Fully supports bespoke designs—including irregular shapes and ultra-large skylights.
  • Strict Quality Control: Rigorous quality assurance throughout production ensures consistent reliability.


2. Technological Innovation

  • Modular Design + Factory Prefabrication: Entire units are pre-assembled off-site, significantly reducing on-site construction time and lowering total project costs.
  • Adaptable to Complex Architectures: Engineered to fit unconventional or uniquely shaped openings while maintaining structural integrity and aesthetic elegance.
  • Multi-Functional Integration:
  • Natural daylighting
  • Intelligent ventilation
  • Superior sound insulation
  • Smart control systems
  • Energy efficiency
  • Optional Smart Accessories: Dimming shades, solar screens, and more—tailored to user preferences.
  • Healthy Indoor Environment: Integrated daylight harvesting and solar-sensing systems optimize comfort and well-being.


3. Commitment to Sustainability

  • Excellent thermal insulation and air-tightness enhance building energy performance.
  • Solar-powered operation reduces reliance on grid electricity.
  • Modular components are reusable and recyclable, supporting circular economy principles and green building certification.


4. Competitive Edge in the Market

✅ Extensive skylight range with custom capability for irregular and oversized units
✅ End-to-end technical support—from concept design to post-installation service
✅ Multiple independently developed patents
✅ Premium raw materials + stringent QC = on-time delivery and long-term reliability
✅ Free design proposals + 24/7 after-sales service to maximize customer satisfaction


5. Vision for the Future

Duomada remains steadfast in its commitment to green development, professionalism, and innovation. The company will continue to invest heavily in R&D to advance the smart skylight industry and deliver healthier, more comfortable, and energy-efficient indoor lighting environments worldwide.





(1) Full Series of Skylight Products Supply
Providing a full range of skylight products covering various needs, meetingified and personalized procurement demands.

(2) Customized Special-shaped and Special Windows and Doors
Focusing on the customization service of special-shaped and extra-large and doors for special projects, creating exclusive window solutions with the support of professional teams.

(3) Full Process Technical Support
Providing timely and effective technical support before,, and after the sales of windows and doors, assisting customers in solving technical issues and promoting the smooth implementation of projects.

(4) R&D Design and Patent ApplicationValuing independent R&D
The entire window adopts a factory customization model, owning a number of patented technologies, ensuring the innovation and leading position of products in design and function.

(5) High-quality Raw Materials Selection
Strictly selecting high-quality raw materials to ensure the stable and reliable performance of products, shaping a high-quality brand from the source.

(6) Efficient Supply Guarantee
Significantly shortening the supply cycle through optimizing production and supply chain management, quickly responding to customer emergencies.

(7) Perfect After-sales Service
Equipped with professional after-sales teams, providing comprehensive service guarantees, ensuring customers' cooperation with peace of mind.

(8) Free Skylight Design
Providing free design schemes, intuitively presenting the application effect of skylights, enhancing customer experience and decision-making efficiency




1. Design Department - Center of Innovation and AestheticIntegration

Core Mission: Translate customer dreams feasible skylight design solutions

Product Design and Development: Develop a new generation of skylight products based on market trends and customer needs, balancing aesthetics and functionality

Customized Solutions: Provide personalized customized skylight solutions for high-end residential and commercial buildings

3D Modeling: Provide customers with realistic 3D renderings

Technical Standardulation: Establish the company's product design specifications and quality standard system.

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2. Sales Department - Bridge of Market Expansion and Customer Relationships

 Core Mission:ablish a solid customer network to maximize product value

 Market Analysis and Strategy: Conduct in-depth research on skylight market trends and develop targeted marketing strategies Customer Development and Maintenance Expand B-end builder and developer and C-end high-end residential customer resources

Project Bidding Management: Lead the bidding for the supply of skylights in large projects Channel Construction: Establish and maintain a network system of dealers and agents

Sales Data Analysis: Monitor sales performance and optimize product mix and pricing strategy

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3. Department - Full-cycle Customer Experience Protection

Core Mission: Provide installation and after-sales support that exceeds expectations

Professional Installation Service: Provide standardized and high-quality skyl installation by a team of certified technicians

After-sales Support System: Establish a 24-hour response mechanism to handle various issues encountered by customers during use

Reg Maintenance Plan: Provide customers with maintenance services such as skylight cleaning, seal inspection, and part replacement

Customer Training: Guide customers to use and maintain skylight products correctly extend their service life 

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4. Quality Control Department - Guardian of Quality Standards

 Core Mission: Ensure that every skylight meets the quality standards promised by the brand

Raw Inspection: Conduct strict testing on all materials entering the factory to ensure they meet design requirements

Production Process Monitoring: Set up quality control points at each stage of production to monitor parameters in real time

Comprehensive Testing of Finished Products: Conduct multiple tests on finished products, including water tightness, air tightness, load-bearing, and weather resistanceQuality

Document Management: Establish a complete product quality traceability system, with each skylight having a separate quality file Continuous Improvement Suggestions: Analyze quality issues and propose improvement plans to the production and design departments.

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5. Production Department - Precision Manufacturing and Efficient Delivery Center

Core Mission: Convert excellent designs into high-quality physical productsLean

Production Management: Optimize production processes to ensure efficient and timely delivery Process Implementation and Control: Strictly implement design standards and process flows to ensure manufacturing precision

Equ Maintenance and Upgrade: Maintain production equipment in optimal condition and introduce advanced manufacturing technology in a timely manner

Production Team Management: Train skilled technical workers and build an efficient collaborative team

Inventory and Supply Chain Coordination: Manage raw material and semi-finished product inventories and maintain good cooperation with