隆盛科技(300680.SZ)：微研中佳暂无液氧甲烷发动机涡轮泵组件业务

Group 1 - The core point of the article is that Longsheng Technology (300680.SZ) has stated on its interactive platform that its subsidiary Weiyan Zhongjia is providing supporting satellite compression release mechanisms for the "Tianlong No. 3" project, and currently does not have any business related to liquid oxygen methane engine turbine pump components [1] Group 2 - Longsheng Technology's subsidiary Weiyan Zhongjia is involved in the aerospace sector by supplying components for satellite technology [1] - The company has clarified its current business focus, indicating a lack of involvement in specific engine components, which may affect investor perception and market positioning [1]