旋极信息：公司子公司西安西谷业务覆盖测试筛选、失效分析、环境适应性验证等环节

Group 1 - The core viewpoint of the article highlights that Xuanji Information is a leading third-party authority in the reliability testing of electronic components for specialized industries in China [1] - The company's subsidiary, Xi'an Xigu, covers various aspects including testing selection, failure analysis, and environmental adaptability verification [1] - Investors are advised to monitor the company's regular reports for specific performance details [1]