... and heat insulation 4.top hardware,good price 1. Aluminum door & window profile: aluminium alloy, 6063-T5, can be thermal ... treatment: anodized, electrophoresis, powder coatedcolor can be customized.2. Aluminum door & window glass option: single glass: 5,6,8mm double glazing: ... Hangzhou City, Zhejiang Province, China.With 36000 Square Meter factory area, about 60 workshop workers and 30 office workers, ...