China's manned sightseeing submersibles take final test dives

Check out these manned sightseeing submersibles independently developed by a Chongqing-based Chinese company. Each sub can carry 4 people to depths of 200 meters. #ChinaTech #UnderwaterExploration #Submersible #Innovation #Chongqing #OceanTourism #TechMadeInChina