To be edited.
CnOpenData has compiled over 680,000 trademark application records from A-share listed companies, covering 5,325 enterprise stock codes. The dataset includes fields such as stock code, enterprise name, trademark name, International Class, trademark status, and application date.
Time Range
As of July 2025
Field Display
Sample Data
Table of Key Bond Dates
Bond Issuance Information Table
Bond Issuance Intermediary Institutions Table
Bond Redemption Information Table
Data Update Frequency
Annual updates