... bakelite 3)Many designs and professional technology VDE standard bakelite lampholder E271. E10,E12,E14, E26,E27,E39, E40 lampholder,porcelain knife switch, ... sincerely hope our hardworking, our products can service more and more clients from all over the world, so, if ... accepts ODM and OEM orders!Looking forward to your reply! we will arrange everything for you. VDE standard bakelite lampholder E27