... scientific mechanic distribution 3. light and convenience. Paper Pulp Screening MachineUsed in:the paper-making, grains separation, powder,food, plastic, ... 1.Without spring ball cleaning installation, but it can clean up the screen meshes and not pollute the environment. ... disassemble and assemble the screen-meshes; removable, convenient to clean.7.Low noise, full enclosed, without dust explosion, ...