Is Zhejiang Sheng Da Tower Co., Ltd. a state-owned enterprise?

Yes According to Sohu. Zhejiang Sheng Da Tower Co., Ltd. is directly under the State Grid Shandong Electric Group Co., Ltd. Since its establishment, it has mainly provided transmission line towers and substation structures for power grid construction inside and outside the province. It is the first manufacturer in Zhejiang Province with the production qualification of 500 kV tower, and it is the designated production enterprise of the former State Economic and Trade Commission and the State Power Company.