China manufacturer High quality hydroponic growing system 4 inch 100mm aluminum foil insulated flexible duct. The insulated flexible duct is used in center air-conditioning,HVAC system ,Hydroponic system heat resistance.
Read MoreSend InquiryChina manufacturer High quality hot sale galvanized steel spiral air spiral flexible duct. The spiral flexible duct advantages: light weight, good demeanor, easy bending, simple connection, small coefficient of friction and good concrete bonding.
Read MoreSend InquiryChina manufacturer high quality galvanized steel square rectangular common flange flexible duct. The common flange flexible duct has low resistance,high density, good feature of compression strength, fire-proof performance better than steel plate,oxygen index 100, non-burning Grade A.
Read MoreSend InquiryChina manufacturer high quality flexible cloth bag flexible duct, flame retardant air duct. The cloth bag flexible duct can be used in ship repair, shipbuilding,engineering,tunneling,mining ventilation,pumping methane gas,the engine room,municipal pipeline project,basements,under-ground work dust and transporting fresh air,pumping car exhaust, ect.
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