... corrision"green" product, strong compressive 2) ISO9001, ISO14000 solar panel frame, solar module frame,solar alu frame1)Material:Alloy 6061 6032,6060 2)Temper ... a) 30*25 suitable for 30-120w solar modulesb) 35*35 suitable for 80-180w solar modulesc) 50*35 suitable for 160-220w ... , fully accredited by ISO9001 and “National Inspection-free product”. solar panel frame, solar module frame,solar alu frame