The manufacturers of "18AA-V" include: Compound Amino Acid Injection (18AA-V) 100ml: 3.224g (total amino acids) + 5g (xylitol) Fuzhou Haiwang Fuyao Pharmaceutical Co., Ltd. (Mu'an ) Hubei Bafeng Pharmaceutical Co., Ltd. Yichang Branch (Liming) Hubei Bantian Pharmaceutical Co., Ltd. Compound Amino Acid Injection (18AA-V) 500ml: 16.12g (total amino acids) + 25g (xylitol) Fuzhou Neptune Fuyao Pharmaceutical Co., Ltd. (Liming) Hubei Bantian Pharmaceutical Co., Ltd. Jiangsu Pengyao Pharmaceutical Co., Ltd. Compound Amino Acid Injection (18AA-V) 250ml: 8.06g (total amino acids) + 12.5g (xylitol) Fuzhou Neptune Fuyao Pharmaceutical Co., Ltd. (Mu'an) Hubei Bafeng Pharmaceutical Co., Ltd. Yichang Branch (Liming) Hubei Bantian Pharmaceutical Co., Ltd. Jiangsu Kangbao Pharmaceutical Co., Ltd. These are manufacturers with different specifications, and they are all linked to the Internet.