PRODUCT:Tryptic Soy Agar (Casein Soya Bean Digest Agar) (Soybean Casein Digest Agar) 1.brand:HKM CHINA FROM:Guangdong,CHINA. 2.Usage: For isolation and cultivation of nonfastidious and fastidious microorganisms. (USA FDA,ISO,USP,EP) 3.Huankai is one of biggest manufacturer in China. HKM media is famous for its good quality and good package. 4.Storage:Keep container tightly closed,store in a cool ,dry place,away from bright light. 5.packing specification 500grams per bottle