The Mellen Company offers a variety of custom furnace models and customized systems to your specifications. From the fiber draw furnace, annealing, crucible, industrial, heat treating, split tube, box, clamshell and crystal growth furnaces, we have your needs covered. Check out our products to see what type you need. With top service and excellent products, you won't have to go far to find the furnace that fits your budget and requirements. Mellen tests its products using the Mellen Laboratory, and experiment with components, atmosphere and materials to ensure and maximize the life of each model. A Mellen heating element utilizes high quality ceramics and high purity wires.