E27 ceramic lamp socket 1.Approved CE 2.Other types:E10,E14,E27,E40, ... .Metal:copper,alu,iron,nickel plated 4.MOQ:500PCS E27 ceramic lamp socketSpecifications:1.Approved CE2.Fittings:aluminun,copper,iron,zinc ... /L(accept 30%-70% L/C)We are manfaucturer of ceramic lamp holder.Welcome to inquiry. E27 ceramic lamp socket