The hoisting of the step-up substation is divided into two parts: lower foundation construction and upper module hoisting construction. Among the offshore step-up substations that have been built in China, the company is responsible for the installation and construction of 9 offshore step-up substations. On September 26, 2015, it successfully completed the hoisting of Chinas first offshore step-up substation in the CGN Rudong Offshore Wind Farm Project; on June 27, 2017, it completed the hoisting construction of the worlds first split-type offshore step-up substation in the Longyuan Dafeng Offshore Wind Farm Project.