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Dongguan Quanda Environmentally-friendly Ventilating Equipment Co., Ltd
00:35
HTF Fire Rated Axial Flow Exhaust Fan
00:45
HTFC High Temperature Smoke Exhaust Centrifugal Fan
00:44
HTFC Cabinet Centrifugal Ventilation Fan
00:28
Commercial Kitchen Exhaust Fan
00:36
Fire resisting damper, Smoke damper
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