The cam rotor pump is specially designed to transport the high viscosity or material with grain softly , and used for hygiene and without fungus conditions. lt works on the material softly , the transport speed can be controled , it can also be used as metric instrument. All the parts contacting with the material are made by the SuS304 or SUS316L material ,the in-out switch join uses the internalsos Standard quickly opened joint, and comes up to the GMPstandar.