... 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. ... fertilizer, organic fertilizer, dumb things fertilizer, and so on. the production line is including of rotary drying ,rotary cooler, granultor, rotary ...