How many state-owned companies are there in SDIC Power Holdings Limited?

SDIC power holding co., ltd. has 16 state-owned companies ... among them, SDIC power controls 16 companies. They are: Tianjin SDIC Jinneng Power Generation Co., Ltd., SDIC Yunnan Dachaoshan Hydropower Co., Ltd., Jingyuan No.2 Power Generation Co., Ltd., SDIC Gansu Xiaosanxia Power Generation Co., Ltd., SDIC Yili Energy Development Co., Ltd., SDIC Beibu Gulf Power Generation Co., Ltd., SDIC Xuancheng Power Generation Co., Ltd., SDIC Panjiang Power Generation Co., Ltd., SDIC Yunding Meizhou Bay Power Generation Co., Ltd., SDIC Qinzhou Power Generation Co., Ltd. Yalong River Basin Hydropower Development Co., Ltd., Xiamen Huaxia International Power Development Co., Ltd., SDIC Baiyin Wind Power Co., Ltd., SDIC Yunnan Power Co., Ltd., SDIC Guangxi Wind Power Co., Ltd., SDIC Shi Ding Overseas Investment Management Co., Ltd.