The activated alumina we produce is high intension X-ρalumina product with stoma. It has a strong affinity for water so that it is suitable for microwater deep desiccation.. When applied in a medium, it will neither become soft nor swell and never dissolve into powders. As a result, this product is widely used in gaseous and liquidoid desiccation in petrochemical industry. In addition, it is also widely applied as instrument wind in texitile, oxygen-making and automation industry.