.The electrolytic copper which is imported form Chile and provided is of good quality and assurance by our company .trust me and you shall never fail regret. Here are some tips you should kown: Product name,: High grade A cathode copper electrolysis, Chile LME (London metal exchange) registered Contain copper content > 99.96% 2.Product specifications Origin :Chile Grade :A Purity :99.99% purity, no less than 99.96% Dimensions :914mm*914mm*9mm(+/-5%) Weight :Each plate 93.8 KG (+ / - 5%) Package :Metal bar, in a bind 20ft container Storage location :Shanghai