4The Powder Metallurgy Industry Worldwide 2007-2012[EB/OL]http://www.powdermetallurgymarkets.com /2008-5-1.
5About The NanoSteel Company[EB/OL]Http://www.nanosteelco.com /2008-2-10.
6NanoSteel Wins Fourth R&D 100 Awar5d for Hardmetal Alternative Wear Plate Technology:Super Hard Http://www.nanosteelco.com/news/rd_100_award_2009.html 2009-8-18/2009-9-14.
7Green Technology:Hi-Temperature Microwave Sintering Reduces Energy Use Up to 80% and Process Time Up to 90%[EB/OL]Http://www.spherictechnologies.com/popup/news-10.html 2009-2-8/2009-9-16.
8EPMA General Assembly and ESPG meeting[EB/OL]Http://www.epma.com/New_non_members/ma_news_database.php?id=133 2009-4-5/2009-6-4.