Our factory of food grade is located at Jinshan Industrial Park, Ganyun County, Lianyungang City, Jiangsu Province, China, which have passed ISO22000, HALAL, KOSHER, etc..The annual capacity is 5 MT. It has a food-grade workshop of cleanroom FS209E class 100,000. There are production lines and workshops for L-5- methyltetrahydrofolate calcium, the ingredient produced by this factory is widely used in dietary supplement.