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 shipping industry constitutes a vital component of China's national economy. It not only provides equipment for marine resource development but also offers essential infrastructure for global trade. Maritime transportation serves as a crucial element for China's participation in international division of labor and the formation of international competitive advantages. Distinct from other transportation modes, maritime shipping demonstrates superior characteristics including large capacity, long-distance transportation, low cost, and low-carbon environmental benefits, making it the predominant mode of transport in international trade. The development level and operational efficiency of maritime transportation have become critical factors influencing a nation's cost advantages in global competition, representing an essential component for every country's participation in international division of labor and establishment of competitive advantages.

  CnOpenData presents the SMC-Certified Vessel Directory dataset, containing key fields such as SMC Number (SMC编号), Vessel Name (船舶名称), Vessel Type (船舶种类), Company Name (公司名称), and Validity Date (有效日期), to facilitate related research endeavors.


Time Coverage

As of April 30, 2023


Field Display


Sample Data


Data Update Frequency

Annual updates