It increased by 13.55% year-on-year, and realized a net profit of 2.37 billion yuan, up by 20.98% year-on-year. The net profit attributable to shareholders of listed companies after deducting non-recurring gains and losses was 210 million yuan, up by 3 1. 15% year-on-year, and the earnings per share was 0.754 yuan. Zhongtian Submarine Cable has perfected the umbilical pedigree of deep-sea ROV cable, towing cable, nonmetallic armored cable and other marine exploration equipment, and solved key technical problems such as full-face deep-sea oil pressure compensation, connection of various armored bearing heads, and deep-water cross-cabin sealing, and can provide customers with a solution of winch+umbilical cable+equipment electromechanical connection system.