According to the May 11 announcement of the China South China Sea Institute of Oceanology on its website, China has completed its first SOSUS and started receiving real time data from the under sea net work.
http://english.scsio.cas.cn/
The caption reads:"Though our strive and by our underwater, semi-underwater and surface drones, we shall make sea transparent and visible to US"
QL-1 under-water drone, BQ-01 semi under-water drone and GZ-01 surface drone
http://english.scsio.cas.cn/
The caption reads:"Though our strive and by our underwater, semi-underwater and surface drones, we shall make sea transparent and visible to US"
QL-1 under-water drone, BQ-01 semi under-water drone and GZ-01 surface drone