Hongte is well-known for its greatest pre-insulated panel with competitive price. phenolic insulation board manufacturers produced by Hongteis very popular in the market. The production technology of Ventech pre-insulated duct panel has been greatly improved by our dedicated R&D team. Our plant has perfect quality assurance system and production guarantee system for this product.
Ventech strives to be recognized as a leading fiberglass duct board company respected by the public. Call!