Group 1 - The State Intellectual Property Office of China has granted a patent to China Steel Group Ma'anshan Mining Research Institute Co., Ltd. for a method of reinforcing support for sliding-type slope failure modes, with the announcement number CN116497847B and application date of May 2023 [1] - China Steel Group Ma'anshan Mining Research Institute Co., Ltd. was established in 1992, located in Ma'anshan City, and primarily engages in professional technical services, with a registered capital of 3,083.75194 million RMB [1] - The company has made investments in 13 enterprises, participated in 1,955 bidding projects, holds 1 trademark, and has 1,198 patents along with 47 administrative licenses [1] Group 2 - Huawai Metal Mineral Resources Efficient Recycling National Engineering Research Center Co., Ltd. was established in 2006, located in Ma'anshan City, and primarily operates in the black metal mining and selection industry, with a registered capital of 50 million RMB [1] - The company has participated in 30 bidding projects, holds 318 patents, and has 3 administrative licenses [1]
中钢集团马鞍山矿山研究总院取得用于滑劈型边坡破坏模式的加固支撑方法专利
Sou Hu Cai Jing·2026-02-17 03:18