... Tairong Machiney ZLYJ Harden Gear Box for Plastic Extruder Machine I. Introduction:ZLYJ series reducer is specially designed high precision ... load capacity, smooth transmission, low noise and high efficiency.II. The Scope of Application: 1. The rotary speed of ... . If the rotary direction is changed, please state when ordering. III. Model Type: - ZLYJ112, ZLYJ133, ZLYJ146, ZLYJ173, ZLYJ200, ZLYJ225, ...