龙信-诚信社交 is a social networking app available on the iPhone platform. It offers a wide range of features for users to connect and communicate with their friends and contacts.

With this app, users can enjoy various chat functionalities, including the ability to send text messages, images, emojis, voice messages, videos, locations, business cards, and files. The app also supports chat history roaming, delivery receipts, read receipts, incognito mode, and encrypted communication, ensuring privacy and security during conversations. Additionally, users can easily transfer large files and conveniently browse files in group spaces, making it ideal for group communication and collaboration.

龙信-诚信社交 also provides robust group and discussion group features. Users can actively join or invite others to join groups, manage group members by kicking out friends or imposing restrictions, and enjoy a range of administrative functions. The app supports up to 300 people in a single group, making it suitable for large-scale group communication.

Furthermore, the app offers communication features such as video calling in standard definition and high-definition voice calling that remains uninterrupted even during network switches.

In terms of contact management, 龙信-诚信社交 allows users to set friend levels and provides a convenient way to add friends to their contact list.

Overall, 龙信-诚信社交 is a comprehensive social networking app that offers a wide range of features for users to connect, communicate, and collaborate with their friends and contacts. Its extensive chat functionalities, group communication capabilities, and reliable communication features make it a valuable tool for social interaction.