On February 3, 2015, the 500-foot "Jinghai 101" single-leg self-elevating platform constructed by Nantong Landao Offshore Engineering Co., Ltd. successfully carried out the 5-meter land elevation test and achieved complete success. The platform complies with the Norwegian NORSOK standard, is suitable for operation on the Norwegian Continental Shelf (NCS), complies with the construction requirements of the Norwegian Maritime Administration (NMD) and the Norwegian Petroleum Safety Administration (PSA), and enters the ABS classification society. The platform signed a construction contract on October 31, 2013, with a construction period of 14 months and a steel structure weighing 9,000 tons. It adopts rack-type pile legs with a height of 172 meters. The pile legs and the fixed pile frame are all independently constructed by Landao Offshore Engineering Co., Ltd.