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About Nexdata

About Us

Founded in 2011, Datatang(Stock code: 831428) is the world's leading AI data asset and data solution provider. We are your one-stop solution butler for all your R&D needs with our 500+ off-the-shelf datasets, on-demand data collection, data annotation and model training services.

With 10+ years of data processing experience, Datatang deeply understands the data requirements in different scenarios. Relying on mature and stable data collection and labeling tools and automated data processing, Datatang provides industry data solutions for enterprises in different domains, such as autonomous vehicles, intelligent customer service, intelligent manufacturing, retail, and intelligent healthcare.

With high-quality data services, Datatang has helped 1,000+ global companies improve the performance of AI models.

Professional Team

Our Data Scientist

Data Scientist

Our data scientists have academic background in speech recognition, computer vision, natural language processing, robotics, human-computer interaction and other related AI fields and rich experience in R&D industry.


Our linguistics team has extensive expertise in providing annotation and analysis services and provides optimal support for large-scale projects or personalized data solutions.

Our Linguist
Our Resource Expansion Team

Resource Expansion

Our resource development team supports rapid project adjustment and flexible resource allocation to meet your large-scale and high-quality data requirements.

Project Manager

Our project manger has 10+ years experience in designing and managing complex data labeling task.

Our Project Manager

Why Datatang

One-stop data service

Rich Off-the-shelf datasets, personalized data customization services, AI assisted data labeling tools, and one-stop solutions to AI data problems.

Data Quality Management System

We ensure High quality data through intelligent self-inspection, multiple rounds of quality inspection, and ISO9001 quality management certification.

Rich Annotation Tools

30 sets of mature annotation tools, fully covering voice, image video, 3D point cloud and text data annotation requirements.

Business Security and Compliance

It has passed ISO27001/ISO27701 information security and privacy protection certification, and complies with the Personal Information Protection Law and GDPR.

AI-assisted pre-recognition

AI-assisted pre-identification enables human-computer interaction for semi-automatic labeling, increasing annotator efficiency by over 30%.

Sharpen Your AI with Better Data

About us - Datatang