2008.5.12 
 
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http://www.cisri.com http://www.csrc.gov.cn/
http://www.mmi.gov.cn/ http://www.esuperalloy.com/
http://www.materials.gov.cn/ http://www.p5w.net/
Beijing Gang Yan Diamond Products Company National Amorphous and Nanocrystalline Alloy Enginnering Research Centre
http://www.metalchina.com/ http://www.cs.com.cn