... alloy steel,Hardness more than 52 The new product FD series “double vertical ring-die pellet mill”, Research,Design,Produced by ... ,Bamboo and Palm fiber etc.Advantage:Gearbox:Continue the SKJ series New generation gearbox,Driving with high-precision gears,Auto-matic ... of work bin,Free control the working time,The main function is dedusting and discharge steamWorking parts:Ring-die and rollers ...