The submersible entered the 410-meter-deep sea area from the Chinese research vessel Dayang Yihao (Ocean No. 1). It is able to dive to a depth of 11,000 meters and will complete an 11,000-meter-deep sea test within three years. Dayang Yihao carries advanced scientific equipment and unmanned submersibles Hailong” and “Qianlong.””

CAS news release, April 2, 2018