What are the main manufacturers or companies of foot-and-mouth disease vaccine type O in China?

At present, there are 6 manufacturers of inactivated foot-and-mouth disease vaccine in China, namely

Zhongmu shares Lanzhou biopharmaceutical factory,

Zhongnong Weite Company, Lanzhou Veterinary Research Institute,

Jinyu Ling Bao Biomedical Co., Ltd.,

Xinjiang Tiankang Animal Husbandry Technology Co., Ltd.,

Ganyuanhao Baoshan vaccine factory

Shanghai Shen Lian Biological Products Co., Ltd.