... steel, improving the using life of spare parts greatly; For the drive parts, the grease is filtrated automatically lubricated properly ... Vertiacal die, feeding vertically; No arching of raw materials, easy for heating dissipation.2.die fixed, rollers rotating, materials centrifugal, ... YULONG MACHINE CO., LTDJinan, Shandong province, China Fertilizer Plant Used Pellet Making Machine(CE approved)