ETA MELCO Engineering Co. Pvt. Ltd. Offers Machine-room-less Passenger Elevator with Reduced Torque Ripple. ETA MELCO Engineering Co. Pvt. Ltd. Supplies escalators. Machine-room-less Passenger Elevator with Reduced Torque Ripple is used for comfortable smooth ride. Machine-room-less Passenger Elevator with Reduced Torque Ripple is also available with the feature of high-accumulation LSI and low-noise PWM inverter which enable the VVVF inverter to deliver smooth, high-precision control of the traction machine. In addition, the IPU [Integrated Power Unit] acts as a high-efficiency power supply circuit for motor drive and along with the PM motor of this elevator delivers great energy savings. Its brand name is ELENESSA.