China Changsha Zhonglong Chemical Co., Ltd. is located in Hunan, the central of P. R. China. We are a manufacturer and exporter of inorganic and organic pigments in China. We have four factories to produce different kinds of pigments. Our products include iron oxide pigments, Cd-Se inclusion pigments, ceramic glaze pigments, photo luminescent pigments, transparent iron oxides and organic pigments. Our products are widely applied to ceramic, paints, ink, plastic, rubber and construction ...