... Ren,Hebei Yuhuan Chemical Co.,ltd Precipitated Barium Sulfate(BaSO4) 95%-98% from Kevin Ren,Hebei Yuhuan Chemical Co.,ltd 1. The Introduction ... Zhiyang Village, Xingtang County, Hebei Province, China, 35km from Shijiazhuang Air Port, 14km from Beijing-Guangzhou railway Xinle station and Beijing-Zhuhai ... company covers an area of 58,000 m2 and a building area of 16,000 m2, the fixed asset more than ...