Beijing Lirr High-temperature Materials Co., Ltd., founded in 2000 in Changping Industry Zone, Beijing, is a National High-tech Enterprise and Shenzhen Stock Exchange listed company (Stock Code: 002392). With 23 subsidiaries in China and overseas, it specializes in R&D, production and sales of refractories for iron & steel, non-ferrous, petrochemical and building materials industries, as well as EPC services for thermal equipment. The company operates 30+ modern lines producing magnesite, alumina, monolithic, shaped and functional refractories, ladle purging devices, slide gates