Prescription drug

Where is Metronidazole and Salicylic Acid and Tetracycline 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
Ailex Pharmaceuticals, LLC250 mg / 500 mg / 262.4 mg · NDC 70556-103The label doesn't name the factory. Plants this company names for other drugs