Products of activated calcium series QT-7/QT-8+H can be customized according to customers' requirements on activation grade (30%-99%), whiteness and fineness.This series of products adopt ordinary calcium carbonate superfine powder as raw material, adding water-based or oil-based additives for surface treatment, and surfacing through surface activation equipment. It is featured with low moisture, good dispersion, no agglomeration, favorable hydrophobic- ity and lipophilicity.Combined with the formula and production technology of downstream manyfacturers, it can effectively enhance the performance of products and reduce the cost offormula downstream.