The best choice for small & middle scale foam production for sofa, mattress, etc Manual metering chemical,Hydraulic lifting device,Advanced inverter control,seperated high/low speed mixing,automatic chemical discharge with air cylinder controlMixng power: 15KwMixing speed:0-3000RPMmixing barrel: 250LHydraulic pump motor: 2HPoil tank: 75L Automatic Mixing Machine