Actual controller of Donghua Technology: China Chemical Engineering Group Co., Ltd. (shareholding ratio of Donghua Engineering Technology Co., Ltd.: 26. 15%). China Chemical Engineering Group Co., Ltd. is a central enterprise (owned by the State Council SASAC 100%). Therefore, its subsidiary Donghua Technology is also a central enterprise. If an enterprise is a central enterprise, it must be a state-owned enterprise, so Donghua Technology is both a central enterprise and a state-owned enterprise.