... profiles for different purposes, such as for windows & doors, for solar panel, for decoration, etc.Surface treatment: Anodized/anodizing or power ... --the specification and corresponding size :(1) 30*25mm suitable for solar modules of 30-120w(2) 50*35mm suitable for ... of 160-220w(3) 35*35mm suitable for solar modules of 80-180wWe could produce the specification of the ...