Our factory locates in Xing’an County of Guangxi, which is well acknowledged for manufacturing calcium oxide and calcium hydroxide with best quality in China. J.H.T was established in January of 2013, specializes in mining, processing and selling of calcium oxide & calcium hydroxide. The calcium content and whiteness of Our calcium oxide and calcium hydroxide can be up to 95% and 90% respectively, we supply mineral rocks and powders with creditable quality and competitive price. Our calcium o...