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Hongte keeps at the forefront of the competition in the developing and manufacturing of rigid fiberglass duct board for years. phenolic insulation board manufacturers is the main product of Hongte. It is diverse in variety. Ventech rigid fiberglass duct board is tested before shipment. Its quality will stand the test of time to meet the packaging and printing market challenges. It won't wrinkle easily. The formaldehyde-free anti-wrinkle finishing agent is used to ensure the flatness and dimensional stability after washing multiple times.
we is a company that is committed to becoming one of the most popular pre-insulated duct panel companies. Check it!