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1. Silicon steel from transformer: not oily, not rusty, thickness: 0.30mm below, 2. aluminum scrap : Tense(auto engine block), Taint/tabor , Profile (6063 sashe, window frame etc), UBC(not briquetted), Talon (al wire nude)3. copper scrap : berry, birch/cliff, brass, gun-metal, e-mail : ***** silicon steel plate, crgo, aluminum scrap aluminum and copper scrap,nonferrous metal scrap, silicon steel scrap from transformer