Sou Hu Cai Jing·2026-01-24 02:35Group 1 - China National Petroleum Corporation (CNPC) has obtained a patent for a "fracturing equipment performance testing system and method," with authorization announcement number CN116877411B, applied on June 2023 [1] - CNPC, established in 1990 and based in Beijing, primarily engages in oil and gas extraction, with a registered capital of 48.69 billion RMB [1] - CNPC has invested in 107 companies, participated in 5,000 bidding projects, and holds 1,440 trademark records and 5,000 patent records, along with 28 administrative licenses [1] Group 2 - China Petroleum Group Engineering Technology Research Institute Co., Ltd., established in 2006 and located in Beijing, focuses on research and experimental development, with a registered capital of 570.39 million RMB [2] - The institute has invested in 4 companies, participated in 580 bidding projects, and possesses 33 trademark records and 2,228 patent records, in addition to 8 administrative licenses [2] Group 3 - Beijing Kangboer Petroleum Technology Development Co., Ltd., founded in 2002 and based in Beijing, specializes in technology promotion and application services, with a registered capital of 29.80 million RMB [1] - The company has invested in 1 enterprise, participated in 92 bidding projects, and holds 23 trademark records and 107 patent records, along with 14 administrative licenses [1]