The primary products include: plastic lampholder (card-inserted), bakelite lampholder (auto locked), ceramic lamp holder, quartz lamp holder, halogen lamp holder, Ruisheng bakelite switch lamp holder, energy-saving lamp socket, foot switch, online switch, dimmer, inching switch inseries of E14 ,E27,B15 ,B22 Lampholder,E12,E26,E17 of European standard and American standard. The products have accordingly been granted the Germany VDE certificate, the EU's CE and RoHS certificate, the UL and cULus certificate of United States, the Canadian CSA certificate, the British BS certificate, the Australian SAA certificate, the French NF certificate, the Japanese T-MARK and PSE certificate, the Italian IMQ certificate, the Swedish S certificate, the N certificate of Norway, the Danish D certificate, the Finnish FI certificate, the Chinese CQC and CCC certificate and other certificates.