Belong to. According to the inquiry about building steel honeycomb, official website learned that Zhong Jian Steel Structure, located in Wuxian North Road, caidian district City, Hubei Province, is a government-invested enterprise and belongs to a state-owned enterprise. Zhong Jian Steel Structure Co., Ltd. is a large state-owned backbone group enterprise integrating steel structure investment, research and development, design, construction and operation.