... green" product, strong compressive 2) ISO9001, ISO14000 solar panel frame, solar module frame,solar alu frame1)Material:Alloy 6061 6032,6060 2 ... GB/T5237-2004, Q/320281PDW01-20088) Normal specifications: a) 30*25 suitable for 30-120w solar modulesb) 35*35 suitable for 80-180w ... solar modulesc) 50*35 suitable for 160-220w solar modulesd) 45 ...