旋极信息：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

Core Viewpoint - The company, Xuanji Information, is a leading third-party authority in the field of reliability testing for electronic components in specialized industries, providing stable and reliable technical support and services for high-end equipment components [1] Group 1 - The subsidiary, Xi'an Xigu, covers various aspects including testing selection, failure analysis, and environmental adaptability verification [1] - The company tailors its services to meet the specific requirements of different users [1] - The focus is on ensuring quality assurance for components used in high-end equipment [1]