1,This machine has various operation modes, including single suction operation mode, single pressure feed operation mode, and suction pressure mixed operation mode, which can be selected according to different customers and different operation requirements. 2,The machine is small and flexible, quick and easy to assemble, compact in structure and complete in functions. The design of the machine fully considers the needs of the user group. 3,The equipment has the characteristics of convenient, fast, labor-saving and people-saving. 4,Less dust pollution, flexible and convenient operation.