... 1500 hours The new product FD series “double vertical ring-die pellet mill”, Research,Design,Produced by ... etc.Advantage:1.Gearbox:Continue the SKJ series New generation gearbox,Driving with high-precision gears, ... same time assure hardness and density,The special design is 4 to 8 rollers working,Increase ... 2.17000FD1000160KW3-4T2.65*1.45*2.18500 New design FD series double vertical wood pellet making ...