The first phase of Guizhou Linfa's construction-grade gypsum powder project went into production on Jan 5 at the economic development zone in Kaiyang county in Guiyang.
Groundbreaking ceremonies for a total of 16 projects in Kaiyang county took place on July 18.
The groundbreaking ceremony for a major commercial mushroom farm and production facility recently took place in Liuyu village in Kaiyang county.