We are specialized in manufacturing AC. Automatic Voltage Regulator, Wireless Digital Doorbell, TV romote-control rotating Antenna, Car Equalizer & amplifier, DC. Regulated Power Supply, Thermoelectric Cooler & Warmer, UPS, DC to AC Power Inverter for many years. For more details, pls feel free to contact us or visit our website. Any enquiry is welcome and appreciated. Thanks and best wishes