Zibo Xiangrun and Shandong Bairui manufacture all kinds of alumina carriers and alumina substrate. Shandong Bairui and Zibo Xiangrun professionally manufacture all types of alumina carrier and alumina substrate. The are γ -AL2O3 and α-AL2O3 as catalyst. Mainly γ -AL2O3 is the widely used in the catalyst. It require to confirm with different role in the […]