In order to implement the relevant requirements of the action plan for soil pollution prevention and control of the State Council, the implementation plan for soil pollution prevention and control of Ningxia Hui Autonomous Region and the implementation plan for soil pollution prevention and control of Zhongwei City, strictly implement the environmental requirements of key regulatory enterprises, strengthen the supervision of pollution sources of the company and do a good job in the prevention of soil pollution on enterprise land, This plan is formulated to carry out soil environmental monitoring of enterprise land by itself, publish the results and accept public supervision.