... size and colorAluminum Profiles Used as Solar Panel Frame(A)Features:1) 30*25 suitable for 30 ... Powder coating, PVDF, polishing, sand blasting, etc. Standard: GB/T5237-2004, Q/320281PDW01-2008Certification: ISO9001, ISO14001, CQMSpecification: According ... Powder coating, PVDF, polishing, sand blasting, etc. Standard: GB/T5237-2004, Q/320281PDW01-2008Certification: ISO9001, ISO14001, CQMSpecification: ...