The main products include E14, E27, E12, E26, lampholders, lampsockets, lampbases and other lighting fittings, switches which are certificated by countries in Europe and America. And European Unionand the American lamp holder. plastic lampholder (T210), bakelite auto locked lampholder (T180), bakelite switch lamp holder, ceramic lamp holder, quartz lamp holder, halogen lamp holder. Pleases refer to our products catalogue and website for more information.