Ai Ruiyin (Hebei) Green Biology Company invested in the construction of new pharmaceutical intermediates (ethyl bromobutyrate, 5- bromonicotinic acid, 5- hydroxynicotinic acid, 5- aminonicotinic acid, etc.).
Ai Ruiyin (Hebei) Green Biology Company invested in the construction of new pharmaceutical intermediates (ethyl bromobutyrate, 5- bromonicotinic acid, 5- hydroxynicotinic acid, 5- aminonicotinic acid, etc.).