... )Anti-corrision"green" product, strong compressive 2) ISO9001, ISO14000 solar panel frame, solar module frame,solar alu frame1)Material:Alloy 6061 ... ≥15,UM≥156) OEM/ODM services7)Standard: GB/T5237-2004, Q/320281PDW01-20088) Normal specifications: a) 30*25 suitable for 30 ... , fully accredited by ISO9001 and “National Inspection-free product”. solar panel frame, solar module frame,solar alu frame