公用企业，是指通过网络或者其他关键设施（基础设施）提供公共服务的经营者。包括供水、供电、供热、邮政、电信、交通运输等行业的经营者。公用企业具有以下特征：１、其经营活动是通过网络或者其他关键设施（基础设施）进行的。网络是指在一定地域内为运送人员、货物或者传 Public enterprise refers to the operators that provide public services through the Internet or other key facilities (infrastructure). Including water supply, power supply, heating, postal services, telecommunications, transportation and other industries operators. Public enterprises have the following characteristics: 1, its business activities are carried out through the network or other key facilities (infrastructure). Network is in a certain area for the transport of personnel, goods or pass