SME are an ISO 9001:2000& UL, CSA and CE certified manufacturer of standard & custom Mechanical&Electrical Appliances in various scopes including:Circuit Breaker; Converter; Capacitor;Fuse;Relay; Soft Starter; Sensor; Transformer.We also produce a wide range of Grain Oriented Silicon Steel Tape Wound Cores;Rod Core Choke;SMT&SMD Power Inductor;SMD inverter;Samples are available in less than 48 hours