... 1.high quality 2.durable in use Micro spray with unit configuration parameters1, single screw plastic extruder1.1 ... /1Screw speed (Max) , 80r/minScrew forms, wave mixing with stemScrew material, 380rMoALAProcessing, nitriding processNitriding depth >0.6 mm, ... .4 gearbox 173Gear form, surface gearsGearbox, forced lubrication oil circulation lubricationGear, fine, conditioning and nitriding jingmo tooth ...