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Phone: +86-534-5012407
Mobile phone: +86-188-6602-0062
Email: sddljnhb@163.com
Website: http://www.sddljnhb.com
Address: No. 5166, Tianqu East Road, Economic Development Zone, Dezhou City, Shandong Province
Our company manufactures bidirectional fresh-air ventilators—also commonly referred to as fresh-air ventilation units—which integrate mechanical supply and exhaust ventilation into a single system. They simultaneously facilitate two-way air circulation by bringing in fresh outdoor air while expelling stale indoor air, achieving efficient indoor–outdoor air exchange. Equipped with built-in fans and filtration systems, these units continuously deliver filtered, clean fresh air indoors while removing indoor pollutants such as carbon dioxide, formaldehyde, odors, and PM2.5, thereby addressing ventilation challenges in enclosed spaces and enhancing indoor air quality. Certain models featuring total heat recovery can also reclaim the cooling or heating energy from exhaust air, reducing the energy consumption of HVAC systems and balancing ventilation needs with energy efficiency. These products are widely used in residential, commercial, and industrial settings.
Mobile phone:+86-188-6602-0062
Email:sddljnhb@163.com
Website:http://www.sddljnhb.com
Address: No. 5166, Tianqu East Road, Economic Development Zone, Dezhou City, Shandong Province
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