Total Exports of Refractory ceramic goods nes,>50% Al2O3 or mix/compds of SiO2 (HS:690320) in Dec. 2011 provides the latest data of China's export of Containing by weight more than 50% of alumina (AL2O3) or of a mixture of compound of alumina and of silica (SiO2) 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) or of a mixture of compound of alumina and of silica (SiO2) 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) or of a mixture of compound of alumina and of silica (SiO2) trade.