> For the complete documentation index, see [llms.txt](https://eosforce-1.gitbook.io/eosc/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://eosforce-1.gitbook.io/eosc/nodes/introduction-of-eosc-mainnet-nodes/zhong-yuan-qu-kuai-lian.md).

# CCBC

CCBC is the largest blockchain community in central China, and is committed to promoting the application of blockchain technology in various industries.