NORTH LIBERTY, Iowa – Centro, Inc. says it has bought a 30,000 square foot building in Hampton. The location will house two rotational molding machines and employ 30 new workers. Centro says it will begin hiring immediately for all three shifts with wages ranging from $19.50-$22.70 per hour depending on shift and position. Employees will have the opportunity to train and work at other Centro locations while the building upgrades and machine installations are completed.