Sinosteel Luonai Materials Technology. 

Sinosteel Luonai Materials Technology Co., Ltd. engages in the research and development, manufacture, sale, and services of mid to high end refractory materials in China. Its refractory products include silicon series products, magnesium series products, high aluminum series products, composite series products, high-purity oxide products, functional material products, and amorphous and prefabricated products. The company's products are used in steel, non-ferrous metals, petroleum, coal chemicals, building materials, power, energy conservation and environmental protection, and national defense and military industries. It exports its products to approximately 40 countries and regions. The company was formerly known as Luoyang Refractory Factory of the Ministry of Metallurgical Industry. Sinosteel Luonai Materials Technology Co., Ltd. was founded in 1958 and is based in Luoyang, China.