• Touyun Biotech appointed Zhou Ruijuan as executive director, vice chairlady effective Aug. 3, 2026.
• Zhou will oversee development of the group’s new materials business.
• She co-founded Ronghe Times (Chongqing) New Materials Technology in March 2025, leading strategy, team building, business development.
• Prior roles include general manager at Chongqing Hailiang Interconnection Technology (2020-2024) focused on database expansion in Southwest China.
• Earlier, she was general manager at Dayan (Beijing) Technology (2014-2020) leading nationwide business development.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Touyun Biotech Group Ltd. published the original content used to generate this news brief via IIS, the regulatory disclosure system operated by the Hong Kong Stock Exchange (HKex) (Ref. ID: HKEX-EPS-20260803-12269637), on August 03, 2026, and is solely responsible for the information contained therein.