Exports of Refractory bricks etc〉50% alumina Al2O3, silica SiO2 or mixture etc (HS:690220)by Province and City in Jun. 2012 provides the latest data of Containing by weight more than 50% of alumina (Al2O3), of silica (SiO2) or of a mixture or compound of these products export of China's 32 provinces and cities including monthly total export volume, export 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 position and trend of China's 32 provinces and cities 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.