Learn about our data rating standards, update strategies, source compliance, and terms of use
We rate our data across multiple dimensions including volume, coverage, and quality. A full score of 5 stars indicates the data meets the highest standards in all aspects.
Rating results are clearly marked on the system homepage for users to quickly assess the quality of each data type:
Please note that this rating system is not static. As we continuously collect more data, optimize processing workflows, and improve data quality, the ratings will be dynamically updated to accurately reflect the current data status.
Global Website Data - Update speed: 1 Million records/day, we are currently dedicating all resources to updating global website data.
Based on data importance and update frequency, we categorize our data projects into three tiers:
Includes domestic and international website data and map data — the core data resources of this system.
Includes domestic business registration and global company information — important resources requiring regular updates.
Includes customs data, US transport companies, and other domain-specific information with relatively lower update frequency.
All data and information displayed on this website are collected through legitimate means from publicly available internet sources, including but not limited to:
This website strictly complies with and actively implements relevant laws and regulations of the People's Republic of China, including but not limited to the Cybersecurity Law, the Personal Information Protection Law, and the Data Security Law.
We strictly adhere to the following principles:
All data provided by this system is for learning and research purposes only. Any illegal use is strictly prohibited. By using this system, you acknowledge that you fully understand and agree to comply with all terms and conditions of this statement.
The data and information provided on this site are intended solely for legitimate purposes such as inquiry, learning, research, and reference. Users are strictly prohibited from using the information on this site to engage in privacy violations, intellectual property infringement, unfair competition, fraud, or any other activities that violate laws and regulations.
This site explicitly prohibits users from using its data for the following activities:
This site strives to ensure the accuracy, completeness, and timeliness of the information provided. However, given the nature of internet information updates, this site makes no express or implied warranties regarding the accuracy, timeliness, completeness, or suitability of the information.
All information collected and displayed on this site is copyrighted by the original publishers. If you believe that the data displayed on this site infringes upon your intellectual property or other legitimate rights, please contact us immediately with supporting documentation, and we will promptly handle the matter in accordance with applicable laws.
To the maximum extent permitted by law, this site shall not be liable for any direct, indirect, incidental, special, punitive, or consequential damages arising from the use of or inability to use this site and its data.
We understand that data services are a continuous improvement process, and your professional insights are invaluable to us. If you have any suggestions for our data services, have discovered new data needs, or believe that content on this site involves infringement or violations, please feel free to contact us at any time.
As a partner in the data services field, we look forward to establishing a long-term, in-depth communication mechanism with you to jointly promote innovation and development in data services.
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