Is Dahan Science and Technology Co., Ltd. a state-owned enterprise?

Not a state-owned enterprise. Dahan Science and Technology Co., Ltd. is a private enterprise, not a state-owned enterprise, which is not within the scope of state-owned enterprises. State-owned enterprises refer to wholly state-owned enterprises, wholly state-owned companies and state-owned capital holding companies that the State Council and local people's governments perform the responsibilities of investors on behalf of the country respectively, including enterprises supervised by the central and local state-owned assets supervision and administration institutions and other departments at the same level and enterprises formed by their investments step by step.