Product Overview The double roller extrusion granulator uses dry granulation technology to form fertilizer pellets at normal temperature — without drying or adding binders. It is widely used for granulating NPK compound fertilizer, humic acid fertilizer, organic fertilizer powder, and other chemical raw materials. The machine integrates with a complete fertilizer production line, and pellet size and shape can be adjusted by replacing the roller skins. It is a cost-effective
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