About us

We are the China’s Professional factory of Purenit

modified PIR high-density polyurethane thermal

insulation pads and PVC Flexible Ventilation Duct, specializing in high-end thermal

break material R&D and production.

Regarding our PVC Flexible Ventilation Duct we can customize the size and specifications according to customers'special requirements. Please contact us for any special requirements. 

We hold proprietary Purenit formulas and production processes. Our pads exceed 550kg/m³ in density, with strong compression resistance, low heat conduction,moisture, acid, alkali and extreme temperature

resistance. They allow comprehensive machining and composite bonding with diverse materials. Ideal for

thermal bridge treatment of doors, windows, skylights,curtain walls, steel structures, cold storage, marine

facilities and kitchen/bath partitions, the material stays dimensionally stable to stop leakage and

condensation. Formaldehyde-free and menvironmentally safe, it is suitable for worldwideexport.