Hongte has been in the business of manufacturing rigid fiberglass duct board for many years. Our experience and integrity are at a high level. pre-insulated duct panel is the main product of Hongte. It is diverse in variety. The production of Ventech rigid fiberglass duct board includes many stages. They are mechanical structure design, control system design, metal material preparation, etc. The product has uniform stitching. To allow the fabric to stretch, the fabric is cut straight along the texture .
Increasing customer demand drives the development of Ventech.