... socket,ceramic lampE27 F519 porcelain lampholder,lamp socket,ceramic lamp holder 1.E12,E14,E26,E27,E39,E40,B22 1.CE/ ... ROHS 2.iron/aluminium/copperE27 F519 porcelain lampholder,lamp socket,ceramic lamp ... lampholder,and so on).1.type:E12,E14,E26,E27,E39,E40,B222.meet CE/ROHS standard3.metal:iron ... /L or 100% irrevocable L/C at sight.. E27 porcelain lamp holder