The shape and size of the ball and socket on the roll skin can be selected according to the user’s needs. The shape of the ball and socket can be pillow shaped, semicircle shaped, bar shaped, pill shaped, walnut shaped, oblate spherical and square strip shaped. At present, flat ball shape is used.
The fertilizer granulators produced by Zhengzhou Huaqiang Heavy Industry Technology Co., Ltd. include organic fertilizer granulator, disc granulator
, drum granulator, npk fertilizer granulator, double roller granulator, two in one organic fertilizer granulator, drum granulator, flat die pelleting machine, and ring die pelleting machine.