In 2020. On May 6th, 2020, Cheng Zaizhan Rui, General Manager of Industrial Products Division of Qingdao Hisense Communication Co., Ltd., released the professional large-screen eye-protection learning platform E22 of Hisense at the sharing meeting of the platform scheme of Zhanrui online open class. Hisense adheres to the development strategy of establishing enterprises through science and technology, regards technological innovation as the foundation of enterprise development, and continuously extends and expands to high-end industries and high-end industries on the basis of independent research and development and technology incubation industries.