The existent problems in electrical energy meter and tariff system for low voltage and un-large industrial user in China have restricted the normal development of power market and the power demand side management.

Starting with analyzing the characteristics of medium voltage distribution carrier wave communication,the paper introduced the project of industrial large consumer remote measuring and charging system on the basis of medium voltage distribution carrier wave in detail,and put forward effective technical methods to improve communication reliabilty.

Survey on the power quality guidelines and detection methods of low-voltage customer opinion in power system;

The public interests clause of Anti-dumping Agreement should be further perfected,expanding the relevant stake in the square range,putting emphasis on dumping the interests of the industrial user of the products,so as to prevent Anti-dumping Agreement from becoming.