上大股份：公司生产的高温合金等相关产品取得了西门子能源、GE能源、贝克休斯、卡特彼勒等企业的认证许可

Group 1 - The company has been actively engaged in the gas turbine market and has established partnerships with several international firms [2] - The company has received certification for its high-temperature alloy products from major companies such as Siemens Energy, GE Energy, Baker Hughes, and Caterpillar [2] - Some of the company's products have already entered mass production and supply [2]