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Since its foundation, Hongte continuously conducts independent innovation in the field of rigid fiberglass duct board. Now, we have become one of the top suppliers in China. pre-insulated duct panel is the main product of Hongte. It is diverse in variety. Ventech hvac duct board suppliers has gone through a series of production processes. They involve CAD/CAM design, prototyping, milling, turning, welding, painting, and commissioning. This product fills demand gaps in the industry.
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