Kaifeng Datong Refractories Co., Ltd, based in China, lists Fused Pure Calcium Aluminate Cement and Calcined Flint Clay on Global Trade Plaza. The company states it was established in 2016. Fused Pure Calcium Aluminate Cement is made from metallurgy grade alumina powder and high purity limestone, fused in an electric arc furnace, then finely ground and homogenized. Calcined Flint Clay is described as calcined clay ore with an Al2O3 content of about 44% and Fe2O3 less than 2%, featuring a stable compound and dense structure with a fracture surface resembling broken shells.