The export of Shanghai's first jack-up drilling platform "exploration no. 5" was towed from yangshan harbor to the Yangtze river estuary to be loaded with semi-submersible vessels (arrangement of main tow,
The export of jack-up drilling platform "zhenhai no. 1" was towed from zhenhua nantong big base to the mother ship semi-submersible barge in changjiang estuary (arrangement of main tow, auxiliary tow,