“Lanjing” is a self-propelled pipelaying & crane barge, with test speed up to 12.55 knots and operation depth 300M. Its main parameters include total length of 239M, molded breadth of 50M, and molded depth of 20.40M. “Lanjing”, equipped with an offshore engineering heavy crane with lifting capacity of 7,500T (fixed type) /4,000T (full swivel type), is a floating crane ship with the maximum single lifting capacity in the world.

The application range of this vessel includes South China Sea, East China Sea, Bohai Sea, as well as shallow sea in Southeast Asia.