... manufacturing such these rubber machines in China. conical twin screw extruderBoth screws and barrels were designed using the building ... compounding, dispersing, homogenization, devolatiliation, pressure-buildup in twin screw extruders, in accordance to the specific requirements of each ... L Metering feeders are equipped with single screw, twin screws(both intermeshing and non-intermeshing), or spring(s ...