CTI provides system certification-related ISO 45001 occupational health and safety management system certification services. Huatest certification was established in 1993, approved by the China National Certification and Accreditation Administration (CNCA), and accredited by the China National Accreditation Service for Conformity Assessment (CNAS). It is the earliest tripartite certification body in China. As early as 2002, China Test Certification obtained the third-party certification of ISO45001 Occupational Health and Safety Management System. It is the first organization to carry out this work in China, providing enterprises with occupational health and safety management system certification, training, and occupational health regulations evaluation services.