Wearing equipment for drowning prevention, self rescue and safety prompt in swimming sports
Internet of Things signal lamp with monitoring function
Parallel moving type battery conveying equipment and battery replacing device
Battery replacement station and battery replacement method
Self-rising device convenient for electrician to check electric meter
Intelligent parking lot management system based on RFID (radio frequency identification devices)
Hybrid thermophotovoltaic power driving system for electric vehicle
Intelligent energy-saving control system and method for charging pile
Power supply device of unmanned aerial vehicle for ocean exploration
Intelligent temperature control system of charging pile
Intelligent subway pull ring device and control method