The "Parabolic Focusing Principle" exhibit is a classic example of a clear phenomenon, profound principle, and highly inspiring concept. It is ideally suited for placement in the physics/mathematics exhibition area of science museums, planetariums, communication technology exhibition halls, and school STEM labs. Its elegant and deterministic demonstration process provides visitors with a strong sense of cognitive satisfaction. Welcome to inquire! Tel: +86 18882709667 WhatsApp: +86 18882709667 Email: zgzqkj@gmail.com / info@zoomkingzg.com