Research on improving the board of directors system of central state-owned enterprises 并列题名：Research on improving the board of directors system of central state-owned enterprises Research on the income sharing system of the state-owned enterprises Research on competition neutrality system of state-owned enterprises Research on construction of value creation system of state-owned enterprises Research on board diversity of state-owned enterprises Reform of board of directors in Chinese state-owned enterprise Research on improving the operating system of state owned capital budget 并列题名：Research on the income sharing system of the state-owned enterprises 并列题名：Reform of board of directors in Chinese state-owned enterprise