Insulation hose with PVC group combustion net cloth complex aluminum foil insulation cotton for pipe shaft, match and spiral wire wrapped wear-resisting rubber strip, the freedom expansion curved transfer, connect freedom, small and lightly and heat loss less. Our products as the worlds leading production technology level, with heat loss less, environmental protection no stimulation, no smell, no fiber, anticorrosion, waterproof, wind resistance is small, flame retardant and anti vibration sound-absorbing, light quality, beautiful appearance and excellent performance, strong environmental protection, energy saving effect, comprehensive performance is superior to all kinds of traditional duct materials, hose airtight performance is strong and save energy consumption, so as to avoid the traditional duct easy air leakage faults. can according to the customer need to design or diameter changed, zipper connection is easy to install. due to the hose elastic strong, flexible, reduce the labor force, on the other hand, easy installation, reduced construction time. Mainly used in gym, airport terminals, the boarding bridge air conditioning, hotels, construction and other large central air-conditioning, clean workshop, subway and other places crowded place quickly and efficiently conveying cold air or warm air.