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Hualan biological vaccine Co., Ltd., established in 2005, is a high-tech enterprise engaged in vaccine product development, production and sales. It is an influenza vaccine manufacturer in China.

Hualan biological vaccine Co., Ltd., established in 2005, is a high-tech enterprise engaged in vaccine product development, production and sales. It is an influenza vaccine manufacturer in China.

Hualan biological vaccine Co., Ltd., established in 2005, is a high-tech enterprise engaged in vaccine product development, production and sales. It is an influenza vaccine manufacturer in China.