Tiannai Technology announced that Wei Zhaojie, the core technician, left his job because he reached the legal retirement age and no longer holds any position in the company. He worked for the company for many years, was responsible for carbon tube research and development, held 472,505 shares indirectly, and complied with relevant commitments after leaving his job. It has completed the handover of work, which does not affect the company's ongoing research projects, patent ownership and core technology research and development. The number of R&D personnel in the company has been growing steadily. Currently, there are 7 core technical personnel. Their departure has not had a significant adverse impact on core competitiveness, etc. The company will increase the introduction and training of talents. The sponsor had no objection to the separation.

Tiannai Technology announced that Wei Zhaojie, the core technician, left his job because he reached the legal retirement age and no longer holds any position in the company. He worked for the company for many years, was responsible for carbon tube research and development, held 472,505 shares indirectly, and complied with relevant commitments after leaving his job. It has completed the handover of work, which does not affect the company's ongoing research projects, patent ownership and core technology research and development. The number of R&D personnel in the company has been growing steadily. Currently, there are 7 core technical personnel. Their departure has not had a significant adverse impact on core competitiveness, etc. The company will increase the introduction and training of talents. The sponsor had no objection to the separation.