... with CE certificate 1.straw,stalk pellets 2.diameter 4-12mm 3.low energy,high efficiency Vertical ring-die Pellet Machine with CE ... line, forestry plant, furniture factory, boiler plant or electric plant.Product features of Efficient Centrifugal Pellet MillA. Upward ... special structure; vertically feeding, never buff placer, feeding materials with wide inlet, and easier heat dissipation.B. Die static, ...