... alloy steel,Hardness more than 52 The new product FD series “double vertical ring-die pellet mill”, Research, ... fiber etc.Advantage:Gearbox:Continue the SKJ series New generation gearbox,Driving with high-precision gears,Auto ... rate then increase capacity,Ring-die is “vertical double-deck”structure,It can use one mould with ... .65*1.45*2.18500 2012 new product FD series double vertical ring-die pellet mill