The heat transfer of UPVC material is much lower than other material like Aluminum, it has excellent head insulation performance with Koemmerling special multi chamber design
According to resonance transmission principle of sound waves and coupling, window and door with Koemmerling UPVC profile and high quality functional glass has excellent sound insulation performance .
As a green energy saving product, UPVC windows and doors make a significant contribution to reducing energy bills and reducing carbon dioxide emissions. All the UPVC profiles produced by KREMERLING worldwide are green and lead-free, and we are the first company in the world to use the zinc-calcium f
2023-04-06
2022-06-30
2021-03-30