https://en.wikipedia.org/wiki/Maquiladora
A maquiladora (Spanish: [makilaˈðoɾa]), or maquila (IPA: ), is a company that allows factories to be largely duty free and tariff-free.These factories take raw materials and assemble, manufacture, or process them and export the finished product. These factories and systems are present throughout Latin America, including Mexico, Paraguay, Nicaragua, and El Salvador.