Jilin, China, June 04, 2026 (GLOBE NEWSWIRE) -- Zhengye Biotechnology Holding Limited (Nasdaq: ZYBT) (the “Company” or “Zhengye”), a veterinary vaccine manufacturer that encompasses research, development, manufacturing, and sales of veterinary vaccines, with a focus on livestock vaccines in China, announced that the Company had received a written notification letter (the “Notification Letter”) from the Nasdaq Stock Market LLC (“Nasdaq”) on May 29, 2026, notifying the Company that it is not in co