On December 27, 2021, Chinese leading submarine cable manufacturer: JSYD Submarine Cable Technology Corporation issued an announcement. The company plans to invest in the construction of a "high-end submarine cable project". It plans to invest 2 billion yuan to produce high-voltage, ultra-high-voltage, AC, DC, dynamic flexible straight, submarine umbilical cables and other submarine cables required for power transmission in the near and far seas. Meet the demand for submarine cables for offshore wind power, offshore oil and gas, and marine exploration, and support the implementation of national strategies such as marine development.