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- 2016-11-14 09:26
- Rigid phenolic air ductingpanel/pre-insulated duct panelProducingcapacity:We have seven producting line,we can produce a
- Phenolic Foam Ventilation Air Duct Panel
- 2016-11-10 18:13
- Huahai phenolic pre-insulated air ducts take phenolic foam ascore ,aluminum foil /Galvanized steel as face metal. Be use