porcelain lamp socket E27 H519BL 1,Approved CE / RoHS 2,CURRENT:4-6A ... , Voltage:220V 4,Perior quality and kind service porcelain lamp socket E27 H519BL 1. certificate : CE , ROHS2. material: iron , aluminum, copper3 ... . we are manufacture with factory so we have strong ability to doing export business independently and also attractive in price and ...