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Hunan Paizhi Biotechnology Co., Ltd. is a scientific and technological innovation enterprise integrating research and development, production and operation of new biological products for animals, and has a wholly-owned subsidiary of Hunan New Generation Animal Vaccine Research Institute Co., Ltd. The company has successfully created a series of biological nanomaterials-virus-like particles (VLPs) with independent intellectual property rights. VLPs have strong immunogenicity, high stability and high biological safety (zero pathogenic risk). Based on Changsha High-tech Industrial Development Zone, Pizhi Biotech will focus on high-end vaccine research and development, production and testing services, and build a domestic and international leading "precision animal vaccine" research and development and production enterprise.