... high strength and hard tooth surface gearbox of ZLYJ series for injection mold machine Special decelerator for plastic extruderSeries ZLYJ decelerator with high ... of earmark: ZLYJ 225-- 12.5 -- (,)ZLYJ series 133, 146, 173, 200, 225, 250, 280, 315, 330 are available. gearbox for injection molding machine