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Hongte is a leading marketer of hvac duct board suppliers in China. We are an enterprise highly praised by peer competitors in this field. pre-insulated duct panel is the main product of Hongte. It is diverse in variety. The quality control department must carry out rigorous testing on Ventech pre insulated panels. These tests typically involve leakage detection, short circuit detection, and electrical load capability testing. This product has applications in a wide range of fields.
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