Beijing Jia Lian Real Estate Agency Co., Ltd. (hereinafter referred to as "Jia Lian") was established on 200 1. It is a data-driven value chain real estate service platform integrating real estate transaction services and asset management services, covering second-hand housing transactions, new housing transactions, leasing and decoration services. Chain Home has now covered 28 regions including Beijing, Shanghai, Guangzhou, Shenzhen, Tianjin, Chengdu, Qingdao, Chongqing, Dalian and Hefei, with about 8,000 stores nationwide and more than 6,543,800 brokers. In order to continuously improve the service experience of purchasing houses, Chain Home actively lays out online platforms. At present, online services have covered terminals such as PC, chain home APP and mobile version of chain home network. It is a comprehensive real estate service platform integrating housing information search, product research and development, big data processing and service standard establishment. The platform provides comprehensive and authentic real estate-related information and consulting services for buyers and sellers, and meets personalized services such as user evaluation and appointment. It aims to continuously improve service efficiency and service experience, and provide users with safer, more convenient and more comfortable comprehensive real estate services.