Dcyhuo has been engaged in data collection business for many years, including text data (articles, blogs, social media posts, emails, minority language books and various license plates), image data (selfies, body movements, Re-id, buildings), voice data (voice recognition, customer service interaction, etc. ,Corpus), video data (driving records, short videos, advertisements), location (geographical location, road maps), user data (user behavior, user preferences) and other AI field data.