Beijing Lier High Temperature Materials Co., Ltd. was established in 2000 and is located in Changping Park, Zhongguancun Science and Technology Park, Beijing. It is a national high-tech enterprise and a listed company on the Shenzhen Stock Exchange (stock code: 002392, securities abbreviation: Beijing Lier). The company owns Luoyang Lier Refractory Materials Co., Ltd., Shanghai Lier Refractory Materials Co., Ltd., Ma'anshan Lier Kaiyuan New Materials Co., Ltd., Haicheng ZTE Magnesium Synthetic Materials Co., Ltd., Haicheng Lier MacGesita Materials Co., Ltd., Shanghai New Taishan High Temperature Engineering Materials Co., Ltd., Luoyang Lier Functional High Temperature Materials Co., Ltd., Liaoning ZTE Mining Co., Ltd., Rizhao Lier High Temperature New Materials Co., Ltd., Rizhao Ruihua New Materials Technology Co., Ltd., Inner Mongolia Baogang Lier High Temperature Materials Co., Ltd., West Xiaxian Dongshan Mining Co., Ltd., Lier International Holdings Co., Ltd., Vietnam Lier High Temperature Materials Co., Ltd., Tianjin Ruilixin Environmental Protection Technology Co., Ltd., Shanghai Baohua National Chemical Technology Co., Ltd., Anhua New Materials Technology Co., Ltd. company.

Beijing Lier and its subsidiaries Luoyang Lier, Shanghai Lier, Ma'anshan Lier Kaiyuan, Haicheng Synthetic Materials, Haicheng Lier and Tianjin Ruilixin are all national high-tech enterprises and have passed the ISO9001:2008 quality management system, ISO14001:2004 Environmental Management System and GB/T28001-2011 Occupational Health and Safety Management System Certification.

The company's main business is the development, production, sales of high-temperature industrial refractory materials such as steel, nonferrous metals, petrochemicals, and building materials, and undertakes the overall design, configuration, installation, construction, use and maintenance and technical services of refractory materials for high-temperature thermal equipment. The overall contracting business of "full-process online service" is integrated. It has amorphous refractory materials, machine-pressed fixed refractory products, refractory prefabricated parts, continuous casting functional refractory materials, ladle breathable functional components, high-quality spinel refractory products, ladle sliding water outlets, ceramic fiber products, water and coal slurry gasification furnace high-quality There are more than 30 modern production lines such as chromium refractory materials, with a production capacity of 500,000 tons/year, and a production capacity of 650,000 tons/year.

The proportion of R&D personnel and the number of mid-to-high-end technical talents are both at the forefront of the domestic refractory materials industry. The company has complete technical personnel, covering multiple professional fields, allowing the company to have comprehensive R&D and design capabilities such as new product development, engineering design, inspection and testing, and on-site technical support. The company has the National Postdoctoral Research Station and the China Conformity Assessment and Accreditation Committee accreditation Laboratory; the company is the Beijing Enterprise Technology Center, the National Science and Technology Research and Development Institute, and the Beijing Science and Technology Research and Development Institution. The company organizes and implements more than 50 scientific research and development projects such as new product development, process technology research, energy conservation and consumption reduction every year, and has achieved a large number of scientific and technological achievements with independent intellectual property rights and core technologies.