The order consists of four turn-key high temperature rotary hearth and chain conveyor tempering furnace systems with capacities between 10–30 tons per hour and staggered deliveries. The equipment includes the latest in energy efficient/low emission combustion, state-of-the-art drive system, refractory and automation including atmosphere monitoring, pressure and temperature control, high temperature cameras, safety systems and level II automation. Start-up for each project is planned to begin the first quarter of 2015.