Zhi Quan Han

China State Science Dingshi Environmental Engineering Co., Ltd. engages in the provision of environmental remediation services. It also involves in the following activities: research and development, remediation design, project investment, engineering project construction, and operation management services. Its business scopes include soil remediation, groundwater remediation, combating desertification, mining area ecological restoration, solid waste treatment and management, farmland soil remediation, and watershed management services. The company was founded on January 25, 2002 and is headquartered in Beijing, China.