Total Exports of Refractory bricks etc〉50% alumina Al2O3, silica SiO2 or mixture etc (HS:690220) in May. 2013 provides the latest data of China's export of Containing by weight more than 50% of alumina (Al2O3), of silica (SiO2) or of a mixture or compound of these products including monthly total export volume, 【imports|exports】 amount and comparison with the same period. CBC Metal Network China Silicon Network provides you with the latest and most accurate market Containing by weight more than 50% of alumina (Al2O3), of silica (SiO2) or of a mixture or compound of these products import and export data information to help you grasp the Silicon market import and export dynamics, in-depth understanding of China's position and trend in the global Containing by weight more than 50% of alumina (Al2O3), of silica (SiO2) or of a mixture or compound of these products trade.