| ZY Series | Models | Ratio |
| ZDY (1 Stage) | ZDY80, ZDY100, ZDY125, ZDY160, ZDY200, ZDY250, ZDY280, ZDY315, ZDY355, ZDY400, ZDY450, ZDY500, ZDY560 | 1.25~6.3 |
| ZLY (2 Stage) | ZLY112, ZLY125, ZLY140, ZLY160, ZLY180, ZLY200, ZLY224, ZLY250, ZLY280, ZLY315, ZLY355, ZLY400, ZLY450, ZLY500, ZLY560, ZLY630, ZLY710 | 6.3~20 |
| ZSY (3 Stage) | ZSY160, ZSY180, ZSY200, ZSY224, ZSY250, ZSY280, ZSY315, ZSY355, ZSY400, ZSY450, ZSY500, ZSY560, ZSY630, ZSY710 | 22.4~100 |
| ZFY (4 Stage) | ZFY180, ZFY200, ZFY225, ZFY250, ZFY280, ZFY320, ZFY360, ZFY400, ZFY450, ZFY500, ZFY560, ZFY630, ZFY710 | 100~500 |
| DY Series | Models | Ratio |
| DBY (2 Stage) | DBY160, DBY180, DBY200, DBY224, DBY250, DBY280, DBY315, DBY355, DBY400, DBY450, DBY500, DBY560 | 8~14 |
| DCY (3 Stage) | DCY160, DCY180, DCY200, DCY224, DCY250, DCY280, DCY315, DCY355, DCY400, DCY450, DCY500, DCY560, DCY630, DCY710, DCY800 | 16~50 |
| DFY (4 Stage) | DFY160, DFY180, DFY200, DFY225, DFY250, DFY280, DFY320, DFY360, DFY400, DFY450, DFY500, DFY560, DFY630, DFY710 | 90~500 |
