About HEIZEY

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Heizey Doors & Windows: A Provider of Ingenious Door & Window System Solutions

Heizey Doors & Windows is a subsidiary of Chongqing Deman Aluminum Co., Ltd., operating as a modern door and window enterprise integrating R&D, production, sales, and service. The company’s operational headquarters is located in Chongqing — the economic hub of Southwest China.

    • Core Business & Product Portfolio

    We are specializes in providing diversified, high-quality door and window system solutions. Our core product lines encompass:

    • Aluminum Alloy Doors & Windows Series: Stable performance with diverse styles.
    • Aluminum-Wood Composite Doors & Windows Series: Combining the aesthetic appeal of wood with the strength of aluminum, exuding premium texture.
    • Custom Sunrooms: Creating comfortable and personalized leisure spaces.
    • Secruity nets Integrated Window Series: Offering integrated security, insect protection, and ventilation.
    • Premium Security Doors & Windows Series: Including professional-grade bulletproof doors and windows.
    • Screen & Shutter Window Series: Meeting ventilation and shading needs for various spaces.
    • Intelligent Voice-Controlled Doors & Windows: Delivering an unprecedented smart experience.

    Brand Culture & Development History:

    Our company was established in 2008, and has maintained steady growth. In 2019, we underwent strategic restructuring to optimize our brand architecture. Currently, we operating two core brands:

    “Heizey” Brand: Focused on the premium custom-made door and window market, meeting the demands of clients pursuing higher standards of living aesthetics with exquisite craftsmanship and outstanding quality.

    “Derman Prince” Brand: Positioned in the cost-effective market segment, offering reliable and affordable door and window products.

    • Manufacturing Strength & Capacity Assurance

    Our company owns a modern, self-operated production base spanning 5,000 square meters. Equipped with advanced machinery, including intelligent cutting systems and CNC integrated machine tools, it has established a sophisticated intelligent production line. This robust manufacturing system ensures high precision, efficiency, and exceptional product quality, with an annual production capacity of up to 100,000 square meters,, providing solid assurance for market supply.

    Global Expansion

    To actively develop international markets, the company established Shinia International Trading (Chongqing) Co., Ltd., which is fully responsible for overseas business development and management. Serving as the global business agent for the Heizey Doors & Windows brand, this subsidiary possesses extensive international trade experience. It offers flexible and professional customized services, including bulk procurement, agency partnerships, OEM (Original Equipment Manufacturing), and ODM (Original Design Manufacturing), catering to the diverse needs of global clients.

      • How can we help?

      Let’s make your project easy!

      We’ll guide you through picking out windows and doors, explain how the buying process works, and give you access to easy-to-use tools. If you have any questions, please contact us!

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