Core Insights - The State Grid Corporation of China announced the results of its 2025 sixth batch procurement for substation equipment, with a total of 1,412,425 million yuan across 541 packages, provided by 247 companies [1] - The relay protection and substation computer monitoring system procurement involved 44 packages worth 64,318 million yuan, with 12 suppliers winning bids [1] Group 1: Winning Suppliers - Nanjing South Rui Relay Protection Engineering Technology Co., Ltd. won the largest share with a bid of 13,299 million yuan [2] - Beijing Sifang Relay Protection Engineering Co., Ltd. secured 8 packages totaling 9,584 million yuan [3] - Changyuan Shenzhi Relay Automation Co., Ltd. won 4 packages worth 8,353 million yuan [4] - Guodian Nanjing Control System Co., Ltd. received 4 packages totaling 7,850 million yuan [5] - Shanghai Siyuan Hongrui Automation Co., Ltd. won 4 packages worth 6,395 million yuan [6] Group 2: Market Dynamics - Nanjing South Rui Relay Protection Engineering Technology Co., Ltd. captured a 20.7% market share, leading by 5.8 percentage points over the second-place Beijing Sifang [12] - Shanghai Siyuan Hongrui Automation Co., Ltd. showed significant progress, closing the gap with Guodian Nanjing Control System Co., Ltd. by only 2.3 percentage points [12] - The second group of suppliers, including Dongfang Electronics Co., Ltd. and XJ Electric Co., Ltd., collectively accounted for 18.5% of the total amount, 2.2 percentage points lower than the leader [15]