4. Foam plastics fishing method. The light weight closed cell foam is imported into the sunken ship cabin to drain the sea water and lift the ship by foam buoyancy. This method avoids the inconvenience of wearing the steel cable at the bottom of the wreck, and reduces or eliminates the work of closing the cabin, and also adapts to the operation under the sea.
Jiangsu Yancheng Voyage Diving Engineering Technology Co., Ltd. was founded in August 2006, is a professional engaged in engineering diving operations and services enterprises.
The company is an independent legal entity with a registered capital of 1 million yuan. It is one of the member units of China Diving Salvage Industry Association and one of the first qualified diving operation organizations issued by the association. The managers of the company have obtained the qualification certificate issued by the diving association. All the underwater construction personnel have obtained the National divers.
The professional certificate of divers issued by the examination committee, the qualification certificate of CCS underwater NDT personnel, the qualification certificate of CCS underwater welding, etc. The company's main services and technical research projects diving business are: highway bridge underwater pier pile foundation, wharf, ship, power plant, reservoir dam hydraulic foundation structure detection and reinforcement; new bridge underwater pier and pile
foundation construction in the abnormal circumstances of underwater treatment; pier steel pipe pile anticorrosion project sacrificial anode and Cathodic protection circuit installation.