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, must truthfully, accurately, timely, and completely disclose legally required and voluntary information to the market. This publicly disclosed information includes but is not limited to basic company information, major accounting data and financial indicators, shareholding structures, executive compensation details, etc. Information disclosure by listed companies serves as a crucial basis for government supervision and investor activities. The effective combination of administrative supervision and market monitoring forms a dual-track effect that promotes the stable and orderly development of the securities market.

    CnOpenData presents the A-share listed company supply chain data, comprising four tables: Listed Companies’ Top Five Customer Summary Table, Listed Companies’ Major Customer Details Table, Listed Companies’ Top Five Supplier Summary Table, and Listed Companies’ Major Supplier Details Table .


Time Coverage

2001-2025


Field Display


Sample Data

Listed Companies’ Top Five Customer Summary Table

Listed Companies’ Major Customer Details Table

Listed Companies’ Top Five Supplier Summary Table

Listed Companies’ Major Supplier Details Table


Related Literature

  • Chen T., H. Levy, X. Martin and R. Shalev, 2021, “Buying products from whom you know: personal connections and information asymmetry in supply chain relationships”, Review of Accounting Studies.

Data Update Frequency

Annual update