Yes According to the inquiry of China Electric Power Construction Group Co., Ltd. official website. China No.5 Hydropower Bureau is the official department level, because China Electric Power Construction Group Co., Ltd. is the official department level unit, and its subordinate China No.5 Hydropower Bureau belongs to the official department level unit. China No.5 Hydropower Bureau was established in 1954. It is a wholly-owned subsidiary of China Electric Power Construction Group Co., Ltd. and a special enterprise of the Group. It is one of the earliest and largest subordinate enterprises of water conservancy and hydropower construction in China.