海油发展招标结果：装备技术公司海上石油设施焊接工艺数智化研究及应用项目无缝钢管3项采购

Group 1 - The core point of the article is the procurement announcement by CNOOC Energy Development Co., Ltd. for seamless steel pipes related to the intelligent research and application project of offshore oil facility welding technology [1] - CNOOC Energy Development Co., Ltd. has made investments in 61 companies and participated in 49,234 bidding projects [1] - The company holds 103 trademark registrations, 4,216 patents, and 388 copyright registrations, along with 61 administrative licenses [1] Group 2 - The procurement was awarded to Tianjin Ruixin Engineering Technology Service Co., Ltd. with a winning bid amount of 376,695.98 [2] - The announcement was published on December 14, 2025, although the specific region of the procurement is not disclosed [2]