It has strong air tightness, water tightness, heat insulation and sound insulation
Frameless pivot door have strong air tightness, water tightness, heat insulation and sound insulation, which are just suitable for various specific applications in the door and window industry
Aluminum alloy doors and windows have the advantages of light weight, high strength, corrosion resistance, small deformation, strong fire resistance and long service life (more than 50 years).
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