Is Tianjin Yadea Industrial Co., Ltd. a state-owned enterprise?

No, the state-owned enterprise is a wholly state-owned enterprise in which the State Council and the local people's government perform the investor's duties on behalf of the country respectively, while Tianjin Yadea Industrial Co., Ltd. is an enterprise invested and controlled by individuals, which does not belong to the category of state-owned enterprises, so it is not a state-owned enterprise. State-owned enterprises refer to enterprises whose capital is owned or controlled by the state.