Parking system manufacturer / supplier in China, offering Smart Indoor Parking Guidance System with Front-Mounted Ultrasonic Sensors for Car Park Management, Real-Time Space Detection, LED Display Navigation, 24V 150m Wholesale Waterproof Ultrasonic Sensor for Solid Detection with Distance Meter 360 RS485@9600BPS ABS China Price, 24V Automatic Parking Barrier Gate with DC Electric Brushless Motor, Metal Rods 3m/4m/5m for Car Traffic Access Control at Hotels, Manual Option Available and so on.