成年免费三级视频

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            Fresh air ventilation equipment

            WARM’s fresh air ventilation equipment introduces both an electronic expansion valve and thermal expansion valve, allowing our air ventilation equipment to run in a stable, reliable manner at an operating temperature between -15℃ to 55℃, and a maximum energy efficiency ratio of 5.5 or more. Not only that, but our fresh air ventilation equipment may be automatically activated or shutdown according to external temperature, enhancing energy saving and eco-friendly qualities. WARM’s fresh air ventilation equipment is quite popular in areas where there is a poor ventilation or where there is relatively demanding requirement for a fresh air volume.
            WISE SOLUTIONS CREATE A DYNAMIC FUTURE, AND WARM KNOWS YOUR NEEDS

            成年免费三级视频

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