The Second Tehran International Congress on Manufacturing Engineering (TICME2007) is being held during December 10-13, 2007, in Tehran: The Conference is a follow-up to the previous Conferences in the series held in Iran. Six national Conferences on manufacturing engineering have been held in Iran during the last two decades. These Conferences have been warmly welcomed by industrial experts and executives, and very useful and effective papers have been presented. Now, the Conference is quite well recognized nationally as a specialized event in Manufacturing Engineering. For more information please see the conference website at www.ticme2007.com .