... Porcelain Lampholder/ E27 Ceramic Lampholder 1. Product Name: porcelain lamp holder M519/F5192. E27 Base3. 4A, 250V4. Certificate: CE, ... price our porcelain lamp holder are available for material as below, it include voltage, current, wire, screwshell,contact,terminal ... company introduction: We are china manufacturer of porcelain lamp holder. Founded in 1998, Fuzhou Maxofei Electrical Appliances Co., ...