A production line for 500,000-metric tons of water treatment chemicals will officially start up in February.
A project new plant with an annual production capacity of 50,000 metric tons of lithium bisfluorosulfonimide broke ground on Dec 24 in Kaiyang county.
Kaiyang signed two key agreements on Sept 9 to boost the commercial development of its selenium industry.
Kaiyang county in Guiyang, the capital city of Southwest China's Guizhou province, has introduced two projects from East China's Jiangsu province since the beginning of 2021.
Kaiyang county in Guiyang signed a cooperation agreement with Jiangsu Efful Science and Technology Co Ltd on April 7.
An agreement-signing ceremony for the "1 million pig industrial chain project" was held on March 12 in Kaiyang county in Guiyang, the capital of Southwest China's Guizhou province.