Invitation to the international public bidder biddings for the establishment of the welfare (development) grow poles in the Isthmus of Tehuantepec “Coatzacoalcos I, Veracruz; Coatzacoalcos II, Veracruz; Texistepec, Veracruz; San Juan Evangelista, Veracruz; and, Salina Cruz, Oaxaca.”