... Chemical Co.,ltd 1. The Introduction of Hebei Yuhuan Chemical Co.,ltdHebei Yuhuan Chemical Co.,Ltd is founded in 1975 and the largest lithopone production base in the north of China. It is located in west of ... Xingtang exit, the transportation is very convenient. The company covers an area of 58,000 m2 and a building area of 16,000 m2, the fixed asset more ...