... reducer box Tairong Machiney ZLYJ Harden Gear Box for Plastic Extruder Machine I. Introduction:ZLYJ series reducer is specially designed high ... 3. The working ambient temperature is -40°C ~ 45°C, if less than 0°C, the oil lubrication should be heated above 0 ... of products, including reducers, motors, chains, electric rollers, Concrete Mixing Plant etc. ZLYJ Harden Gear Box for Plastic Extruder Machine