Doors and windows are classified as either enclosing components or partition components based on their location, each having different design requirements to provide functions such as thermal insulation, heat insulation, sound insulation, waterproofing, and fire resistance. New requirements emphasize energy saving, as the heat loss through gaps in doors and windows in cold regions accounts for about 25% of the total heating energy consumption.
Address: 666 Jinguan Doors and Windows Production Base, Democracy Street, Hanting District
Zip Code: 261041
Service Hotline:400-188-1756
One sale:+86-13573605678
Sales two:+86-13869686998
E-mail:sdcjmq@163.com
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