The MELLEN Company is a 47-year-old family-owned business that offers a variety of standard and custom furnace models. From fiber draw, annealing, crucible, industrial, heat treating, split tube, box, clamshell, and crystal growth furnaces, MELLEN has your needs covered. Check out our products for more information. With top service and excellent packages, 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 experiments with components, atmospheres, and materials to ensure and maximize the life of each model. A MELLEN heating element utilizes high quality ceramics and high purity wires. If you are looking for flexibility and great customer service, MELLEN is the place for a high quality and cost-effective furnace.