Named as "Barometer of the International Metal & Metallurgy Industry", The 12th Guangzhou International Metal & Metallurgy Exhibition has come to a successful end during June 21st-23rd, 2011 in the biggest complex of Asia - China Import and Export Fair Pazhou Complex. The number of the exhibitors is up to 2581, with 2018 of domestic & 563 of international. 28,966 Visitors attended the exhibition & 8,078 of…