The registration address of hebei mangae environmental equipment technology ltd. Is located on the south end of the storm in dingzhou city and is represented by a legal person and includes the development of environmental equipment; the manufacture, installation of ultraviolet disinfection equipment, ozone equipment, water treatment equipment; the manufacture, sale of instrumentation for monitoring and detection of pollutants in water quality; the construction of sewage treatment works; the networking technology service; and the import and export of goods. (projects subject to legal approval may not operate without the approval of the relevant department)