ZLY series Cylindrical gear reducer: Transmission efficiency more ... reducers include 4 kinds of series: ZDY(single-stage), ZLY(two-stage), ZSY(three-stage), ZFY(four-stage), ... . The reducer can be assembled with backstop.Products:ZDY, ZLY, ZSY, ZFYEquipment method:1. Foot installment, 9 methods ... ZFY360, ZFY400, ZFY450, ZFY500, ZFY560, ZFY630, ZFY710, ZFY800. ZLY Series Cylindrical Helical Gear Reducer