Prescription drug

Where is Ferrous Fumarate, Ascorbic Acid, Intrinsic Factor , Cyanocobalamin made?

1 company sell it under their own name. None of their labels names the factory.

Companies and their factories

Company on the labelFactoryWhereLast FDA inspection
Nnodum Pharmaceuticals4 ingredients · NDC 63044-631The label doesn't name the factory. Plants this company names for other drugs