. As the largest shaped aluminum materials production base, Shandong Nanshan Industrial Co.Ltd.(a branch under Nanshan Group)was initiated in 1992 and now possesses 41 extrusion production lines conforming to international standards and yearly produces 110,000 tons of aluminum shaped materials and products in more than 100 series and 6000 varieties. A 4000-ton extruder was imported in August 2002.and the most advanced double acting reversion 6000-ton and 9000-ton extruders will be imported ...