Sou Hu Cai Jing·2026-01-16 05:19Group 1 - China National Petroleum Corporation (CNPC) has obtained a patent for a device and method for measuring the geometric dimensions of a three-way valve, with the authorization announcement number CN120760595B and an application date of December 2024 [1] - CNPC, established in 1990 and headquartered 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 1,443 trademark records and 5,000 patent records, along with 28 administrative licenses [1] Group 2 - China National Petroleum Engineering Materials Research Institute Co., Ltd., established in 2021 and located in Xi'an, focuses on specialized equipment manufacturing, with a registered capital of 67.911 million RMB [1] - The Research Institute has invested in 4 companies, participated in 1,698 bidding projects, and holds 15 trademark records and 847 patent records, along with 16 administrative licenses [1] Group 3 - Beijing Longsheng Taike Petroleum Pipe Technology Co., Ltd., founded in 2004 and based in Beijing, specializes in technology promotion and application services, with a registered capital of 20 million RMB [2] - The company has participated in 218 bidding projects, holds 194 patent records, and has 7 administrative licenses [2]