1)Body:0.3/0.5mm (or as per requirement) high quality cold-rolled steel sheet.2)Lamp holder: PC material by UV resistance processing3)Dimension:620*320*58mm4)Optional reflector: matte aluminium,mirror aluminium, or laminated steel5)Style: Grid can be "v" or "I"shape.6)Ballast: magnetic ballast or electronic ballast7)Wire: 0.5mm2 high temperature anti burning,8)Application: office building, office, shopping mall, waiting room, plant, school, hospital and other indoor public or residential places