... .specialized in compound fertilizer production line/ NPK machinery since 1980. we can offer design, equipments, technical supply, process solutions and commission and installation of ... .And the compound(mix) fertilizer type is NPK, GSSP,SSP,granulated potassium sulphate, sulphuric acid production, granulated ammonium nitrate, and bio-fertilizer, organic fertilizer, dumb things fertilizer, and so ...