Beijing Holtop Aritifical Envirnoment Technology Co.,Ltd

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Heat recovery ventilators and energy recovery ventilators (HRV and ERV)- suspended typeHeat recovery ventilators and energy recovery ventilators (HRV and ERV)- suspended type (XHBX(Q)-D)

Air handling units (AHU)Air handling units (AHU) (HJK)

Heat recovery ventilators and energy recovery ventilators (HRV and ERV) - wall typeHeat recovery ventilators and energy recovery ventilators (HRV and ERV) - wall type (XHBX(Q)-W)

Heat recovery ventilators and energy recovery ventilators (HRV and ERV) - floor typeHeat recovery ventilators and energy recovery ventilators (HRV and ERV) - floor type (XHX(Q)-L)

Rotary heat exchangers (wheel heat exchangers)Rotary heat exchangers (wheel heat exchangers) (HR)

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Beijing Holtop Aritifical Envirnoment Technology Co.,Ltd
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