Donghua Refractories Co. Ltd was founded in 1996, which is located to the direction of Gengzhuang, at Wangcun, 3 kilometers after you drive out of the Dengfeng Xi Exit of the famous ZHENG-SHAO-LUO HIGHWAY. The company has 160 employees, including 60 engineers. With assets of 50 millions, the company has top grade refractory equipment, such as full automatic high temperature gas tunnel kilns and shuttle kilns, modern dry kilns and high efficiency extrusion and mixing equipment, etc. The main products of the company are synthetic mullite and stock, mullite light bricks DH23, DH26, DH28, DH30, DH32 series, hollow ball bricks, corundum products, etc. Cooperated with Zhengzhou University, the company can make microporous mullite, polycrystalline Al2O3 products, breathable bricks in aluminum processing, etc which are welcomed in China's metallurgy, petrochemical, ceramic and military industry, and are also exported into the US, South Korea, Turkey, India and Vietmam. Lastly, the most welcomed product of the company is her microporous corundum bricks which win the first prize of the Henan Provincial Metallurgical Building Materials Department with its low thermal conductivity and high strength, accordingly, the company also win the prize of Henan Excellent Enterprise.