clf printed circuit board: 1.long life:6000-10000hrs, 2.SKD experience, 3.ROHS, ... CE,ISO9001,IEC60968 report 4.OEM avaliable. cfl printed circuit board Product Specialty1.Average Life:6000/8000/10000hrs.2.Color rendering ... .strict raw material inspection 2.100% aging line testing 3.on-site quality inspection 4.lab testing in radom before shippment5 ...