GUIYANG — Trade between Southwest China's Guizhou province and the Regional Comprehensive Economic Partnership (RCEP) member countries grew by 16.6 percent year-on-year to about 12.17 billion yuan (about $1.9 billion) in the first three quarters of this year, said Guiyang customs.

Exports mainly include fertilizer, tires, tea, guitars and main imports are metal minerals and rubber, the customs said.

Data also showed that the trade between Guizhou and RCEP member countries has accounted for about 30 percent of the province's total foreign trade.

The Regional Comprehensive Economic Partnership (RCEP) agreement, which will take effect on Jan 1, 2022, is the world's largest free trade agreement, covering about 30 percent of the world's population.