Reaki company manufacture and export Tower Crane Anti-Collision, Black Box, Zone Protection, intelligent Control system; Bridge Crane/Portal Crane/Gantry Crane/Mobile Crane/Elevator/lift Safety Monitoring System; Height Sensor, Weight Sensor, Slewing/Angle Sensor, Trolley/Range Sensor, Tilt Sensor, Wind Speed Sensor, Torque Limiter; Lift Intelligent Controller; Floor Pager/Flooring Paging System;Remote Management Platform. Ruiji "Made in China" prices: 50%-80% lower than famous international brands Ruiji 5-Star service: 5-star customer-first service, with easy going and well trained sales and technicians, ensure you free of after-sales troubles and waste of time.