1. Wuxi hongchuang civil air defense engineering co., ltd: a contracting company integrating consulting, design, construction, maintenance and product agency of HVAC engineering, civil air defense engineering, fire protection engineering and environmental protection engineering.
2. Henan civil air defense construction project joint contracting company: established in April of 1992+0 1, with legal representative Liu Tianyou, registered capital of 540,000 yuan, registered at No.38 Dongming Road, Zhengzhou City.