Xiamen UNT Duct Material Co., Ltd. was established in 2012, and located in the beautiful seaside city of Xiamen, China. We specialize in the research and manufacture of insulation products and air duct systems, such as PIR/PU/Phenolic duct panels, insulation boards, insulation pipe, CNC foam block cutting machine, insulated panels' production lines, etc. UNT zero ODP Polyurethane air duct system is specialized in the air distribution fields and the answer to economical technical and const...