Liaoning 5117 network inc. Was created in 2003 as an electric power company that specializes in the provision of it technology solutions and full-scale management services to traditional property intermediaries. In 2009, the company officially launched a foreign-market association and entered the cities of liaoning province; in 2015, the 517 real estate footprint of the registered property broker was spread throughout the cities of liaoning province, with a full-fledged presence in the three north-eastern provinces and the north china region. To adapt to market developments and client needs; in june 2016, companies formally and comprehensively introduced a new development model for "internet+intermediary" and implemented strategic transformation upgrades. Integrating on-line research and development with online integration, meeting the needs of traditional intermediaries for a full set of it systems, improving the efficiency of shop management and internet outreach, establishing and improving three main business systems: 517 online, 517 real estate, 517 transport and development centres, and developing core products such as 517 mis, 517 online and 517 online app。