Green aluminum doors and windows successfully developed in Changchun City

An environmentally friendly non-toxic aluminum door and window that integrates thermal insulation, sound insulation and other functions has recently been successfully developed in our city. This door and window set of three national patents in one, is expected to replace the plastic doors and windows.
According to the research and development unit Changchun North Union Group technical personnel, this aluminum doors and windows extensive use of heat insulation aluminum and hollow glass, improve the insulation performance, very suitable for use in northern regions. Not only covers all the advantages of steel doors and windows, but its resistance to aging, not easily deformed and other advantages for the steel doors and windows do not have, is expected to replace the plastic doors and windows. Due to the adoption of a number of patented technologies, the production cost has been greatly reduced, which is roughly the same as that of plastic steel doors and windows.

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