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 commercial housing market, a vital component of the real estate sector, serves as a barometer reflecting the latest dynamics of real estate regulation and the development status of the housing market.  

  To support related research, CnOpenData presents the Detailed Data on New Home Supply and Transactions in Key Chinese Cities, covering transaction-related information across multiple major cities nationwide. The dataset is divided into two tables: New Home Transactions and New Home Supply, featuring comprehensive indicators and extensive information.

  This dataset is aggregated weekly/monthly, with some cities providing daily aggregates.


Time Coverage


Field Description


Sample Data

中国重点城市新房成交表

中国重点城市新房供应表


Data Update Frequency

Daily/Weekly/Monthly updates