As one of the holding‑subsidiaries of WENS Group, Zhaoqing Dahuanong Biology Medicine Co., Ltd. (DHN) mainly engages in veterinary biological products, veterinary pharmaceutical preparations and feed additives. We are committed to the R&D, production and promotion of high‑tech, eco‑friendly animal‑health‑care products and technical services.
We now own 4 production bases with internationally‑advanced technologies, an experimental‑animal center capable of producing 1.5 million SPF eggs annually, and 43 GMP‑compliant production lines. A 10,000‑square‑meter P3‑containment vaccine workshop is equipped with intelligent, automatic systems for inoculation, harvesting, purification, inactivation and emulsification, ensuring stable product quality and biosafety.

The company has obtained over 60 new‑veterinary‑drug certificates and more than 300 authorized patents. Our products are marketed across 31 provinces and municipalities in China. Vaccines and other products have been exported to Egypt, Vietnam, Cambodia, Thailand and other regions, winning high recognition from customers worldwide.