51 Install Network (www.51az.net) is the country's first comprehensive set of installation, sale, buy, third-party payment, tasks release, end-user experience in integrated professional services online service platform. The use of advanced Internet phasor combination of online and offline mode of the national electrical industry resources rational optimization and system integration. And the country has more than 500 large and medium cities in the establishment of the independent operation of management sub-stations, each sub-station is an independent sales and service terminals, and quickly and more than 1,000 medium-sized enterprises and local electrical distributors, day cat carriers, establish strategic cooperative relations. Integral electrical industry nationwide installation, service and extensive service network system. By 51 Installation (www.51az.net) freely traded integrated network platform, users can install their own needs, free post installation tasks (installation demands of all sectors) and installation work for docking (line free trade), or the task 51 Installing network entrusted to local sub-stations, sub-stations by the agency in accordance with the regional distribution of tasks rationalization, the first time will be able to put their installation tasks in place, with more professional installers to provide on-site services. Worry, effort and money