Is Zhejiang Sheng Da Tower Company Limited listed?

Zhejiang Sheng Da Tower Co., Ltd. went public. Zhejiang Sheng Da Tower Co., Ltd. belongs to the State Grid Shandong Electrician and Electric Group Co., Ltd. Its predecessor was Zhejiang Power Transmission and Transformation Engineering Company Iron Tower Factory, which was established in 1978. It is the largest professional manufacturer of iron tower, steel pipe tower and substation frame in China, and was successfully listed in June 2000.