... granulated potassium sulphate, sulphuric acid production, granulated ammonium Compound Fertilizer Production Line/ NPK MachineryJiangsu Right Machinery Group ... Co.,Ltd.specialized in compound fertilizer production line/ NPK machinery since 1980. we can ... the production line is including of rotary drying ,rotary cooler, granultor, rotary screen ,packing machine ,and Auto- weighting ...