Thrombopoietin Receptor Agonist

Where is Romiplostim 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
Amgen Inc Nplate125 ug per 0.25 mL, 250 ug per 0.5 mL, 500 ug per 1 mL · NDC 55513-223, 55513-221, 55513-222The label doesn't name the factory. Plants this company names for other drugs