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

   The Chinese Stock Index Data is a collaborative database between CnOpenData and Tonglian Data, comprising two core tables:

  • Daily Market Data of Indices: Contains daily closing information of indices, including fields such as Previous Close Price (昨收价), Opening Price (开盘价), Highest Price (最高价), Lowest Price (最低价), Closing Price (收盘价), Trading Volume (成交量), and Turnover (成交金额).
  • Interval Market Data of Indices: Provides interval-based market statistics with cycles including weekly, monthly, quarterly, semi-annual, and annual. Fields include Previous Close (昨收盘), Opening Point (开盘点位), Highest Point (最高点位), Lowest Point (最低点位), Closing Point (收盘点位), Trading Volume (成交量), Turnover (成交金额), Price Change (涨跌), and Price Change Percentage (涨跌幅).

Time Coverage

October 2, 1928 - October 2023


Field Specifications


Sample Data

Daily Market Data of Indices

Interval Market Data of Indices


Update Frequency

Annual Update