贵研铂业：公司长期以来参与国家重大工程配套

Core Viewpoint - Guiyan Platinum Industry (600459) is a key player in the domestic precious metal materials sector, focusing on providing high-performance precious metal material solutions for major national projects, particularly in aerospace [1] Group 1 - The company has been involved in significant national engineering projects for a long time [1] - The revenue from the aerospace sector constitutes a very small portion of the company's total revenue, less than 1% [1]