... etc.3. Extruding deviceIt is composed of hydro-cylinder,extrude piston,sealant cylinder,glue head block,dispensing head etc.4. ... processing parts, magnet valve, reducing valve,pressure controlled valve,cylinder,joint and pipe line.6. Electric control systemIt is ... as the setting program, which means the action of cylinder for pressure rollers, pressure roller press aluminium spacer and aluminium ...