High-voltage line patrol robot based on dual-rotor unmanned aerial vehicle
Global vehicle owner ecological enabling network service system
Auxiliary device and method for building scaffold construction
Vertical rope ladder storage device for paper pulp transport ship
Goods transport ship provided with LNG (Liquefied Natural Gas) fuel cabin
Deep-sea mining ship system and operation method thereof
Floating dock electro-magnetic suspension lifting system based on load self-balancing
Novel two-way opening and closing gangplank door equipment for roll-on-roll-off ship
Watertight springboard door equipment for lightering operation between roll-on-roll-off ships
Wave blocking slope plate device for amphibious operation of roll-on-roll-off ship
Construction ventilation system in thin film type LNG cabin
Dynamic self-adjusting floating dock supporting system
Flexible battery changing station capable of self-adapting to battery size