Beijing Lirr High-temperature Materials Co., Ltd. listed on Shenzhen Stock Exchange, was established in 2000 with 21 holding subsidiaries of Luoyang LIRR functional materials co. Ltd, Liaoning Zhongxing Mining Co., Ltd., Haicheng Lirr Magnesite Material Co., Ltd., Liaoning Lirr Magnesia Synthetic Materials Co.,Ltd., Rizhao Lirr High Temperature New Material Co., Ltd. Beijing Lirr possesses a total area of 2000000 m2 with registered capital of 1.11 billion yuan. As of December 31,2022 ,the company has the total asset of 7.577 billion yuan and net asset of 4.887 billion yuan.