solar panel frame, solar module frame,solar alu frame 1)Anti-corrision"green" product, strong compressive 2) ISO9001, ISO14000 solar panel frame, solar module frame,solar alu frame1 ... ) 35*35 suitable for 80-180w solar modulesc) 50*35 suitable for 160-220w solar modulesd) 45*35mm, 60*35mm, ... by ISO9001 and “National Inspection-free product”. solar panel frame, solar module frame,solar alu frame