Since the State Grid began the unified bidding of electric energy meters in 2009, the electric energy meter industry has entered the years of savage, and the situation of “big enterprises are surrounded by circles, small enterprises each operating one acre and three points” has been broken, and many lack of strength. The regional meter companies disappeared. As of the second batch in 2015, only 88 home appliance manufacturers were involved in the bidding. By reviewing the overall situation since the reunification, we hope to find something that we have not noticed.