Group 1 - The State Intellectual Property Office of China granted a patent for "a silver-coated copper powder with uniform silver layer and its preparation method and application" to three companies under the Dongfang Electric Group [1] - Dongfang Electric Group Science and Technology Research Institute Co., Ltd. was established in 2015 with a registered capital of 437.066 million RMB and has participated in 1,176 bidding projects [1] - Dongfang Electric Co., Ltd. was founded in 1993 with a registered capital of 3,118.792 million RMB and has participated in 3,364 bidding projects [1] Group 2 - Dongfang Electric Clean Energy Technology Chengdu Co., Ltd. was established in 2017 with a registered capital of 86 million RMB and has participated in 12 bidding projects [2] - The company holds a total of 43 patents and has 6 administrative licenses [2]