Material transporting and discharging device for civil engineering site
Marine windscreen wiper system with anti-frosting and anti-icing functions
Lifesaving device with built-in centrifugal blade driving mechanism
Life jacket with automatic inflating and tightening buoyancy device
Internet-of-things-based unmanned vehicle online hailing system and method
Intelligent marine windscreen wiper system with self-adaptive speed
Intelligent driving mode switching control system and vehicle
Intelligent bidirectional control windscreen wiper device for ship
Inflatable lifesaving equipment with hidden driving mechanism
Inflatable life jacket with thermal insulation protective cover