全部树

China university patent statisticsNEW

China high-tech enterprise patent statisticsNEW

Digital economy patent application and authorization dataNEW

Patents and citation data of Little Giant and individual champion companiesNEW

Small giant and single champion enterprise design patent details table

Statistics on the entry and exit of Chinese industrial and commercial enterprisesNEW

Statistics on entry and exit information of Chinese partnershipsNEW

Basic information data of manufacturing industrial and commercial registered enterprisesNEW

Patent and citation data of A-share listed companiesNEW

Patent details of A-share listed companies
A-share listed companies' patent application details table
Details of Design Patents Authorized by A-share Listed Companies

Green patents and citation data of A-share listed companies

A-share listed companies green patent details table

Patent and citation data of Chinese industrial enterprisesNEW

Green patents and citation data of Chinese industrial enterprisesNEW

Details of Green Patents of Chinese Industrial Enterprises

Tax investigation of corporate patents and citation dataNEW

Cost of living data for global residentsNEW

China foreign trade index data

According to the Administrative Measures for Information Disclosure of Listed Companies, listed companies, as information disclosure obligors, shall truthfully, accurately, timely, and completely disclose information to the market as required by law and voluntarily. Such publicly disclosed information includes, but is not limited to, basic company information, key accounting data and financial indicators, shareholder holdings, executive compensation, etc. Information disclosure by listed companies serves as a critical basis for government supervision and investor decision-making. The effective combination of administrative regulation and market oversight forms a dual-track mechanism that promotes the stable and orderly development of the securities market.

CnOpenData introduces the Basic Information Data of A-Share Listed Companies, encompassing fields such as Company Chinese/English Name, Former Name, Province, Actual Controller, Main Business, Company Profile, Chairman, General Manager, Legal Representative, Board Secretary, Establishment Date, Registered Capital, Number of Employees, Number of Management Personnel, Listing Date, Issuance Volume, Issue Price, Funds Raised, Issuance P/E Ratio, Registered Address, Office Address, and Stock Former Name Changes.


Time Period

Basic Information Table of A-Share Listed Companies: as of June 2025
Stock Former Name Table of A-Share Listed Companies: as of June 2025


Field Display


Sample Data

Basic Information Table of A-Share Listed Companies

Stock Former Name Table of A-Share Listed Companies


Data Update Frequency

Annual updates