Sinosteel Luoyang Institute of Refractories Research Co., Ltd. (LIRR) is a science and technology enterprise affiliated to Sinosteel Corporation, China.

Sinosteel Corporation (abbreviated as Sinosteel) is a central enterprise under the administration of the State-owned Assets Supervision and Administration Commission of the State Council. It is a large multinational enterprise that integrates resources development, trade & logistics, engineering project and science and technology in providing comprehensive auxiliary service and system integrated service for Iron & steel industry, especially steel mills.

LIRR was established in 1963 as a key research institute attached to the former Metallurgical Industry Ministry. It is the only large integrated research institute for refractories and is the center of technology, science, information and services in refractory industry. LIRR's business scope covers refractory products, test equipment, processing machine, project design, insulation, contract, domestic/overseas trade, inspection on product quality, information services, etc.

LIRR has been developed into a production base with "National Engineering Research Center for Refractories" and "National Hi-Tech Industrialization Special Refractories Model Project" as entities. There are 10 categories of products such as composite refractories, advanced oxides, metallurgical function refractories, monolithic refractories, etc. based on 16 production lines with annual capacity of 80 000 tons high and medium grade refractories consisting of over 200 varieties. LIRR's products have been widely used in industries such as metallurgy, nonferrous metal, petrochemical, glass, ceramic, building materials, etc, and have been exported to over 40 countries and regions such as America, Europe, etc.

LIRR Research and Develop Center is a National Approved Enterprise Technical Center. It has about 400 technical staff, among which 90 conferred with Doctor, Master and professorship senior engineers. LIRR has obtained over 600 achievements in R & D since its establishment, and has been awarded more than 210 technical prizes and invention prizes issued by the state, ministerial or provincial level, and granted over 50 patents.

LIRR has been awarded the National Key High-Tech Enterprise, National "Contracts Abidance and Good Faith" Enterprise, 50 High-growth Enterprises of Henan Province, Credit Demonstration Enterprise of Henan Province, AAA-Level Credit Standing Enterprise of Henan Province, and has pass passed ISO 9001:2000 International Quality System Certification, GB/T 24001 Environment Management System Certification and GB/T 28001-2001 Occupational Health and Safety Management System Certification.

Industrial organizations such as National Engineering Research Center for Refractories, National Quality Supervision and Inspection Center for Refractories, State Administration of Import and Export Commodities Inspection (SACI) Approved Laboratory for Refractories, National Technical Committee on Refractories of Standardization Administration of China, Refractories Branch of the Chinese Society for Metals, Technology Quality and Standard Department of the Association of China Refractories Industry and National Productivity Promotion Center for Refractories are registered in LIRR.

LIRR sponsors journals of Refractories (Chinese version, Core Chinese Journal), China's Refractories (English version) and Refractory News (Chinese version).
Looking back, LIRR has gathered the developing strength, looking forward, LIRR will take her advantages to become a base of research, manufacture and services with significant influences in world refractory industry.