FAST LAUNCH AND RECOVERY SYSTEM FOR AUTONOMOUS UNDERWATER VEHICLE
Height-adjustable skiding structure and method for installing the same
Water floating tank platform rotary drilling guide hole equipment and construction method
Enclosed Derrick for drilling ship with active Shutting Grill
ALTERNATE STEPPING DEEP-SEA MINING SYSTEM AND METHOD BASED ON CLEAN ENERGY PLATFORM
Alternate stepping deep sea mining system and method based on clean energy platform