On August 6, 2011, Shenzhen Yiri Technology Co., Ltd. was invited by the Liaoning Coal Supervision Bureau to participate in a seminar on the promotion and application of scientific and technological achievements in safety production in Liaoning Province, and demonstrated the first accurate personnel positioning system based on TOA in the country. More than 120 people from the scientific and technological management work of the regulatory department participated in the seminar.

The seminar first conveyed the guidance of the State Administration of Work Safety and the State Administration of Coal Supervision on strengthening the promotion of scientific and technological achievements in safe production, and introduced the key scientific and technological projects for the prevention and control of major safety accidents in 2010, as well as advanced and applicable technical equipment and materials for safe production. Promote scientific and technological achievements such as catalogues.

At the meeting, Manager Li of the next day science and technology introduced the development of the mine personnel positioning system (regional positioning) and future prospects (precise positioning), and gave a comprehensive and detailed explanation of the mine personnel precise positioning safety system and wireless communication system. The only TOA-based personnel precise positioning system in the country was very interested, Yong Yue asked questions, and Manager Li answered them one by one.

By participating in the seminar, Nextday Technology, coal mining enterprises and regulatory authorities have a better understanding of each other, which will help improve the quality standards of coal mine safety production and improve the security capabilities of employees and supervisors.