Crocodiles County, 000 energy-saving materials Co., Ltd. is focused on the production of a 11-year flint manufacturers, the company is located in Hequ flint production base - You Yan hilly zone, the company's main products for various grades of flint, mullite sand , flint and other aggregates. 'Flint aggregate physical indicators stable product produced by our company, good fire resistance, low impurity, high bulk density, is ideal for the manufacture of high quality refractory materials.