Nitrogen experiment among breakthroughs

The Tianya deep-sea lander was independently developed by China and is able to measure environmental parameters, make optical observations and collect samples.
About Tianya deep-sea lander:
・ Dive depth: 7,000 meters
・ Weight: 1,053 kilograms
・ Load capacity: 60 kg
・ Speed of diving: 1,800 to 2,400 meters per hour