Yuxi Zeyun Biotechnology

Yuxi Zeyun Biotechnology is a Chinese biopharmaceutical company specializing in the research, development, and large-scale manufacturing of recombinant human papillomavirus (HPV) vaccines. As a key subsidiary of Shanghai Zeyun Biotechnology and part of the Walvax Biotechnology group, the company operates advanced production facilities in Yuxi, Yunnan Province. Its flagship product is a bivalent HPV vaccine (Cecolin-like) approved for the prevention of cervical cancer, and it is actively advancing a 9-valent HPV vaccine through late-stage clinical trials. The company plays a critical role in China's domestic vaccine supply chain, focusing on high-quality, affordable biologics for public health.