Xiamen UNT DuctMaterial Co., Ltd. was established by several co-founders who havemore than 10 years experience in PU & PIR Foam Industry. It isconveniently located in the beautiful seaside city of Xiamen,China. We specialize in the research and manufacturing of UNTDuctpolyurethane (PU) / polyisocyanurate (PIR) System for HVAC airdistribution and PU insulation boards for building. UNTDuct System is like no other insulated ductwork system. It isthe most advanced and innovative system of pre-insulated airdistribution ductwork available in China. The UNTDuct System isproven to be innovative product that is easy to install andmaintain providing a new perspective in the field of airdistribution. UNTDuct System is not only based on pre-insulated aluminum panels,but it also consists of accessories, machinery, tools and know-hownecessary for the construction and installation in a masterlyfashion. UNTDuct System has been developed and spread around the world. Itsapplication has been gradually extended to all type of airdistribution system such as industrial,commercial and civil.