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Ventech commits itself to serving the customers with best fiberglass duct board and customer service. Hongtefocuses on providing a variety of pre-insulated duct panel for customers. The professional QC team strictly controls the quality of this product. We offer this product in a myriad of appealing shades and finishes to suit the theme of different interior.
Phenolic insulation board manufacturers is the only law that Ventech operates. Inquire online!