Feed Machines & Ingredients

Shanghai Zhengyi Machine Engineering Technology Manufacturing Co., Ltd. is a wholly-owned machinery manufacturing enterprise of C.P Group, located in Shanghai Songjiang District Industrial Park. Since 1999, It is a manufacturer specializing in the production and processing of:

  • Pellet Machine
  • Ring Die
  • Roller Assembly
  • Crushing Roller


The company prepares all kind of pellet machines roller shells according to the customer’s drawing on the following parameters:

  • Grade: First level
  • Size: 1.0~20.0 mm
  • Certification: CE ISO SGS
  • Material: 4Cr13 / 20CrMnTi, 40Cr


Their roller shells are applicable for all kind of pellet machines including poultry and livestock and Biomass pellet machines that include wood pellet mill, sawdust pellet mill, grass pellet mill, straw pellet mill, crop stalk pellet machine, alfalfa pellet mill etc. The company’s Raw Material Control system is based upon:

  • Europe standardX46Cr13 (Higher Raw Material Standard)
  • Purer Smelting Technology
  • Low Internal Stress
  • Material, Hardness, Ultrasonic flow detection 100% Checking



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