Wave blocking slope plate device for amphibious operation of roll-on-roll-off ship
Watertight springboard door equipment for lightering operation between roll-on-roll-off ships
Vertical rope ladder storage device for paper pulp transport ship
Novel two-way opening and closing gangplank door equipment for roll-on-roll-off ship
Liftable support for building engineering construction
Integrated transmission device for braking, speed changing and steering functions of tracked vehicle
High-voltage line patrol robot based on dual-rotor unmanned aerial vehicle
Goods transport ship provided with LNG (Liquefied Natural Gas) fuel cabin
Global vehicle owner ecological enabling network service system
Gas-electricity graded heating system for freezing prevention of polar region ship stairs
Floating dock electro-magnetic suspension lifting system based on load self-balancing
Flexible battery changing station capable of self-adapting to battery size