Established in 1986, Ruian Aotai Electrical Appliances Co., Ltd. is a specialized manufacturer of copper, iron, porcelain, plastic screw lampholders (E14, E27, E40) and spigot lampholders (B15d, B22d). Meanwhile, the quality conforms to the GB1406-89 (screw), GB1407-80 (spigot), IEC-238 international standards and the ZBK74003-86 national standard. All the switches conform to the IEC669-1 and GB10979-89 standards. And have got CE Certificate. with the annual outputs are 60 millions so. our stable and quality products are selling well in the North American, South American, East European, West European, East Asian, Southeast Asian, the Middle East and Oceanian markets.