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Ventech brand is a globally famous phenolic insulation board manufacturers manufacturer. Hongte's main products include pre-insulated duct panel series. Ventech rigid fiberglass duct board is elaborately manufactured using the latest advanced technology and production method. The product with long operation life undergoes strict quality control process.
We produce our products responsibly and sustainably. We work hard to reduce our production waste, degradation, and pollution throughout the whole life cycle of our products.