· Address: Editorial Office of Precious Metals,

988^# Keji Road, Kunming High & New Tech. Industry Development Zone,

Kunming, 650106, China

· Tel/Fax: 86 871 68328632/68329961

· website: http://journal.ipm.com.cn;

http://www.j-preciousmetals.com

· E-mail: bjba@ipm.com.cn; gjsz@chinajournal.net.cn