... (3) Origin: China [Main characteristics] That product and other coagulant to compare, having a following advantage:1, application is wide, adapting ... water extensively. 2, don't need to add an alkalescence to help, if meet to deliquesce, its result is constant.3, become a ... than the other aluminum salts, iron salts, erode a function to the equipments small.7, the valid composition is high, ...