1.The screws of extruder material is 38CrMnAl, which is wear-resisting. 2.The processing line has self-cleaning function. 3.The main body material is stainless steel, which is easy to be cleaned. 4.Guarantee time is 2 year. 5.Converter(used to control the speed of feeding system,cutting system and control system,can protect of the motor)use the brand of Delta,Pioneer,CHNT or Schneider. 6.After-sales Service Provided: Free spare parts, Field installation,Commissioning and training, Field maintenance and repair service, Video technical support, Online support.