According to official website, Longcheng Yijia Intermediary has registered information and business qualifications, and can provide housing rental and transaction services for customers. Longcheng Yijia Intermediary adheres to the principle of service priority, pays attention to customer experience and provides various services, including house recommendation, contract management and rent collection. , and provide customers with services such as browsing the list of houses and booking or booking houses online. Therefore, the intermediary of Longcheng Yijia is formal.