Description

Beijing Lirr and its subsidiaries of Luoyang Lier and Shanghai Lier are the Nation High-tech Enterprises, and have passed the certifications of ISO ***1:***8 Quality Management System, ISO ****1:***4 Environmental Management System and GB/T *********1 Occupational Health and Safety Management System. Its main bussiness is the development, production and sales of refractories for high-temperature industries, such as iron and steel, non-ferrous, petrochemical, building materials and so on.