License: This is an open access protocol distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited Protocol status: WorkingWe use this protocol and it's working
Created: June 29, 2025
Last Modified: June 30, 2025
Protocol Integer ID: 221263
Keywords: enterprise credit information database in china, primary data on hcc establishment, provincial hcc, used enterprise credit information database, city hcc, hcc establishment, determinants of china, hcc network, hometown chambers of commerce, tianyancha platform, provincial, network spatial pattern, primary data, city, china, commerce, data, rectangular matrix