Introduction
AC VVVF CONTROLLER
   (Variable Voltage, Variable Frequency) 
- Advanced Elevator System for Energy Saving & High Efficency
- Modernized Computer Control System
- Smooth Riding & Soft Landing
- Converter and Inverter Drive System with Digithal Signal and Microprocessor
- Lower Cost for Installation & Maintenance
- Self Check System by Inside Computer
- Easily Conversible Program
- High Quality & excellent Performance
- Automatic Rescue Device(A.R.D)