上大股份：公司参与了多型号相关航天发动机等装备所用特种合金产品的试制验证和批产交付工作

Core Viewpoint - The company has established a partnership with aerospace technology and aerospace industry groups, becoming a qualified supplier of high-temperature alloys and other materials for critical aerospace components [2] Group 1: Company Developments - The company has collaborated with institutions under the aerospace technology and aerospace industry groups [2] - It has become a qualified supplier of high-temperature alloys, which are essential for manufacturing components such as solid rocket engine casings and liquid rocket engine hot-end parts [2] - The company is involved in the trial production and delivery of special alloy products used in various models of aerospace engines and equipment [2]