... 1). Material: Aluminum alloy Water-proof,Anti-UV,Anti-corrosion;Driver with strict & long time test before application; LED chip with ... 's progress is shown to all relative persons in ERP software and board Every Day.Also with workmanship inspection.3). Aging ... , voltage, label, packing etc. All with signature of the responsible.Driver Certificates and Patent in Germany, USA,Australia, Taiwan and Japan ...