Aluminum foil compound PIR foam sandwich panel is the new green environmental protection material, this kind of air duct heat preservation, soundinsulated, artistic, durable, clean, health, nature, ...
Polyurethane sandwich panel heat insulation Sandwich panel PU sandwich panel US 5- / Square Meter 1000 Square (Min.Order) pu sandwich panel used for HVAC ventilation air duct 1000 Square (Min.Order) ...
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