Exports of Refractory ceramic goods nes,>50% Al2O3 or mix/compds of SiO2 (HS:690320)by Province and City in May. 2013 provides the latest data of Containing by weight more than 50% of alumina (AL2O3) or of a mixture of compound of alumina and of silica (SiO2) 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) 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 position and trend of China's 32 provinces and cities 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.