Vacuum Furnace Systems (VFS) Corp. (Souderton, Pa.; http://www.vfscorp.com) received three orders from different customers in Taiwan, China and Singapore for vacuum furnaces that will be used to heat treat aircraft components. The Taiwan order is for a horizontal internal quench furnace with a 36 in. by 36 in. by 48 in. graphite-insulated hot zone, GraForm curved graphite heating elements and a 2-bar gas quench system. The furnace for China is the same type and size, but includes an all-metal hot zone with ribbed molybdenum elements and a CompuVac supervisory control system. The Singapore order is for a horizontal external quench furnace with a graphite-insulated 36 in. by 30 in. by 48 in. hot zone, GraForm curved graphite heating elements and a 2-bar gas quench system. Shipping dates range from November 2005 to April 2006.