USheng innovative technology, sound protection of children's audio-visual health rally, let the children have a clear and beautiful future. Scientific research achievements: the yousheng scientific research team is composed of several technical personnel led by postdoctoral fellows in multiple engineering disciplines including acoustics, optics, materials science, computer, electronics, etc. After more than five years of research and development and innovation, the world's leading and China's first teaching intelligent acousto-optic scene application control system was successfully launched in 2016. The system successfully cracked over the years, sound is not clear in the teaching of the teachers and students listening uneven pain points, at the same time to improve the teaching scene in the light environment problems affecting the teachers and students eyesight health, acousto-optic successfully constructed the teaching scene professional precision application service system, and deep cooperation with the institute of semiconductors, Chinese academy of sciences, founded the institute of semiconductors, Chinese academy of sciences, super light biological research and development center. Yousheng promotes healthy China 2030 national strategy with scientific and technological innovation.

After-sales service

1. USheng promises to provide warranty service and quality guarantee for customers in accordance with the law of the People's Republic of China on the protection of consumer rights and interests and the relevant provisions of the state administration of quality and technology supervision.
2. Free maintenance within the warranty period, beyond the warranty period only charge the cost.