China’s largest submersible-support vessel delivered to Shanghai Salvage by Wuchang Shipbuilding Industry shipyard. China’s largest submersible-support vessel has been delivered and put into service in Qingdao, Shandong province, marking a breakthrough in the development of the country’s deep-water salvage force. Shenqianhao, China's first ship that carries a saturation diving system allowing divers to work at depths of up to 300 meters, is the nation’s most advanced submersible-support vessel…