I. Introduction of ATA Authorized Testing Center American Testing Authority Inc is a professional company that provides technical services and content services. ATA company is committed to the development of modern examination and network education in China. By applying advanced examination theory, combining the operation mode and characteristics of domestic examination industry and education industry, and adopting ATA proprietary core technology, it has designed and developed a complete intelligent examination system-ATA e-examination. ATA cooperated closely with the professional management organizations of various ministries and industries in China, and gradually improved the overall solution for conducting intelligent examinations in China. At the same time, ATA has established a huge network of chartered examinations in all provinces, municipalities and autonomous regions in China, providing all kinds of examination training services for the whole society, and gradually becoming a comprehensive service provider for the examination industry in China. ATA is also committed to building the first brand of examination and IT education services. Second, the examination projects undertaken by ATA have spread all over the government, education, industry and other fields. The main projects are: Government: National Vocational Qualification Examination (NVQ), National Computer Information Hi-tech Examination (CITT), National Vocational Qualification Information Technology Double Certification Examination, Microsoft Project Integrated Management Capability Level Certification Examination, China Insurance Practitioner Qualification Examination and China Telecom Network Security Engineer Examination.