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| Zhengzhou |
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| Zhengzhou Bio-pharmaceutical Factory was set up in 1949 as one of the four greatest biological medicines factories of the Ministry of Agriculture of China. As the first manufacturer of Highly Pathogenic AI Vaccine approved by the Ministry of Agriculture of China, it is the biggest Highly Pathogenic AI Vaccine factory with the most advanced GMP workshop, producting up to 2 billion doses per year. |
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