... .9×(30+1.2)m dryer for NPK compound fertilizer plantTechnical parameters1.inner diameter of shell: φ3.9m2. ... of rotary dryer in China, Jiangsu Pengfei Group Co., Ltd can also provide you with various other machines, such ... equipment, environmental protection equipment, cooling equipment, drying equipment, compound fertilizer equipment, packing machine, chemical equipment and electrical control system. ...