Group 1 - Changsha Dima Technology Co., Ltd. has obtained a patent for "Downhole Ultra-Wideband Positioning Base Station Response Signal Conflict Prevention Method and Electronic Device," with authorization announcement number CN120358450B, and the application date is April 2025 [1] - Daye Nonferrous Metals Group Holdings Co., Ltd. was established in 1989 and is located in Huangshi City, primarily engaged in non-ferrous metal smelting and rolling processing, with a registered capital of approximately 6.33 billion RMB [1] - Daye Nonferrous Metals Group has invested in 43 companies, participated in 4,500 bidding projects, and holds 6 trademark records and 88 patent records, along with 25 administrative licenses [1] - Changsha Dima Technology Co., Ltd. was founded in 2010 and is based in Changsha City, focusing on software and information technology services, with a registered capital of 10 million RMB [1] - Changsha Dima Technology has invested in 3 companies, participated in 314 bidding projects, and holds 8 trademark records and 112 patent records, along with 11 administrative licenses [1]
迪迈科技取得井下超宽带定位防冲突方法专利
Sou Hu Cai Jing·2026-01-23 03:02