... manufactory for production of leonardite humic acid,potassium humate,sodium humate fertilizers since 2000.And our commodities are of ... be used as plant growth stimulin, animal feed additive, ceramic pug additive, petroleum frilling fluid decreasing and filtering agent, ... , antiphlogistic and hemostatic medicines, and for incubation of feed yeast. Application scope: 1. Application in agriculture: ...