Beijing Psychometric Testing Institute is a high-tech enterprise with independent core technology and cooperative research and development. The police equipment developed by our company, such as psychological test (lie detector) instrument series, portable interrogation equipment, air signal detection and control, multi-modal contact and non-contact psychological comprehensive test system, synchronous recording and video investigation products, has always been in a synchronized or leading position at home and abroad. Contactless multi-modal emotion research and judgment system, voice and expression analysis system is currently the domestic practical application of more products, has been affirmed and appreciated by many customers, contactless multi-modal emotion research and judgment system is an excellent product whose performance and experience reach or even exceed that of similar international non-contact analysis software. The company has a strong talent reserve, including senior engineers, doctor, master and bachelor degree 6 people, science and technology personnel 10 people; With a number of independent research and development software intellectual property rights, the products meet the relevant technical standards of the Ministry of Public Security, the Supreme People's Procuratorate and the Ministry of Education, and obtained the testing certification of the Ministry of Public Security. Among them, portable interrogation system, integrated synchronous recording and video psychological test system, contactless intelligent voice technology, etc. based on speaker voice to realize the integrity test of the tested person, risk assessment technology, multi-person rapid screening cloud platform, etc., have been widely recognized in the public security, disciplinary supervision, military, customs, security and other special judicial industries and other industries.