1, Jiangsu Ersha Environmental Technology Co., Ltd. and Jiangsu Hongcheng Engineering Project Management Co., Ltd. are all located in Yixing City, Jiangsu Province. Jiangsu Ersha Environmental Technology Co., Ltd. was established in 2003, and its business scope includes geological disaster risk assessment; Geological disaster control engineering exploration; Engineering design of geological disaster control; Supervision of geological disaster control project; Various engineering construction activities.
2. Jiangsu Hongcheng Engineering Project Management Co., Ltd. was established on 200 1, and its business scope includes architectural engineering design, geological disaster risk assessment and construction engineering supervision; Supervision of water conservancy project construction; Highway engineering supervision; Building engineering construction.