2 Boehringer Ingelheim Animal Health
3 Jiangxi Yiling Pharmaceutical Co.
4 Xi'an Alice Animal Husbandry Co.
5 Henan Dingsheng Biomedical Co.
6 Henan Kemi Veterinary Pharmaceuticals Co.
7 Jiangxi Heguang Pharmaceutical Co. Ltd.
8 Eli Lilly Animal Health (Elanco)
9 Qingdao Koyahua Animal Pharmaceuticals Co.
10 Sichuan Qiquan Animal Pharmaceuticals Co.
11 Shandong Lubai Sherrill Pharmaceuticals Co.
12 Jiangsu Beikang Pharmaceuticals Co.
13 Shijiazhuang Tongsheng Pharmaceuticals Co. Ltd.
14 Baoding Jinong Animal Pharmaceutical Co.
15 Chengdu Qiankun Animal Pharmaceutical Co.
16 Lanzhou Bio-pharmaceutical Factory of China National Animal Husbandry Co.
17 Hebei Kexing Pharmaceutical Co.
18 Intravirate International Co.
19 Shandong Liuho Group
20 Henan Huifeng Pharmaceutical Co. Ltd.
21 Guangdong New Ideal Bio-Pharmaceutical Co.
22 Zaozhuang Xingmu Bio-technology Co.
23 Sichuan Qiantong Animal Pharmaceutical Co.
24 Henan Biyuntian Animal Pharmaceutical Co.
25 Pfizer Veterinary Pharmaceuticals
26 Beijing Vega Group
26 Beijing Vega Group
27 Hebei Kexing Pharmaceutical Co. Ltd.
28 Tianjin Shengji Biotechnology Co.
29 Keheng Pharmaceuticals
30 Beijing Haidian Zhonghai Animal Science and Technology Company
31 Wuxi Zhongshui Fishery Pharmaceuticals Co.
32 Anhui Kangmu Veterinary Feed Co.
33 Hefei Aihua Biotechnology Co. Hefei Aihua Biotechnology Co.
34 Henan Jifu Biotechnology Co.
35 Henan Naresen Biopharmaceutical Co.
36 Qingzhou Yihuoyuan Technology & Pharmaceutical Co.
37 Henan Shengshi Federal Biomedical Technology Co.
38 Beijing Huasheng Pharmaceutical Co.
39 Henan Anjin Biomedical Technology Co.
40 Virbac S.A.
41 Tianjin Ruipu Group
42 Dabeinong Group
43 Inner Mongolia Xinyuan Xingye Animal Pharmaceutical Co.
44 Zhejiang Haixiang Pharmaceutical Co.
45 Ningbo Second Hormone Ltd.
46 Shandong Jiade Bio-Pharmaceutical Co.
47 Silkworm Pharmaceutical Factory affiliated with Sericulture Research Institute of Chinese Academy of Agricultural Sciences
48 Tianjin Hengji Lide Bio-technology Development Co.
49 Jilin Zhengye Bio-products Co.
50 Harbin Pharmaceutical Group Bio-Vaccine Co.