... gearbox of ZLYJ series with high strength and hard tooth surface extruder gearbox of ZLYJ series for plastic tape drawing machine Series ZLYJ decelerator ... is a drive with high-precision and hard tooth surface ... mode respectivelyExample of earmark: ZLYJ 225-- 12.5 -- (,) ZLYJ series 133, 146, 173, 200, 225, 250, 280, 315, ...