信测标准：公司主要从事可靠性检测、化学检测等检测服务

Group 1 - The core viewpoint of the article is that Xince Standard is a comprehensive testing organization providing various testing services across multiple sectors [1] - The company specializes in reliability testing, chemical testing, electromagnetic compatibility testing, product safety testing, and life health testing [1] - Xince Standard serves clients in automotive, electronic and electrical products, consumer goods, industrial products, food and agricultural products, and environmental sectors by providing testing reports or certificates [1] Group 2 - The company has established testing capabilities for aerospace-related products and components in Wuhan, Suzhou, and Guangzhou [1] - Xince Standard offers reliability, EMC, and functional testing services specifically for the aerospace sector [1]