GUIYANG -- The Global Big Data Exchange (GBDE) based in southwest China's Guizhou Province has attracted over 2,000 members, according to the Big Data Development Administration of Guizhou Province.

The members come from over 20 industries including finance, telecommunications, information technology and media. They exchange and trade data-related assets and services at the GBDE.

The GBDE, the first of its kind in the world, started operations in April 2015. Headquartered in Guiyang, capital of Guizhou, the GBDE also has two operation centers in Beijing and Shanghai, as well as 11 transaction service centers across China.

Its tradable data capacity has exceeded 150 petabytes, and the transaction value had topped 120 million yuan ($19 million) as of October 2017.