Is Guizhou Qiye a department-level unit?

Yes. According to information from the official website of the Guizhou Provincial People's Government, Guizhou Qiye is a state-owned enterprise and a department-level unit. The Seventh Metallurgical Construction Co., Ltd. was formerly known as the Seventh Metallurgical Construction Company of China Nonferrous Metal Industry. It was founded in 1958 and has been affiliated to the Ministry of Metallurgy, China Nonferrous Metals Industry Corporation, the National Nonferrous Metals Administration, and China Aluminum Corporation group.