... 2)CE/LVD/ROHS 3)Metal:Copper/Iron/Aluminium Porcelain lampholder,lamp holder,porcelain lamp socket,ceramic lampbase 1.E10,E12,E14 ... , E26,E27,E39, E40 lampholder,porcelain knife switch,fuse unit series etc ... .F: Popular in both domestic and overseas market. E14 Porcelain Lampholder with CE and ROHS Certificate