ratio：
i=8.1-191，combination of EWK/EWR is up to13459

Efficiency：
two-stage96%,and combination of EWR/EWR85%.

Installation：
flange,small flange,torque arm.

ratio：
i=5~264，combination of EWR/EWR is up to18125

Efficiency：
two-stage96%,three-stage 94%,and combination of EWR/EWR85%.

Installation：
foot,flange.

ratio：
4.3-273，combination of EWR/EWR is up to18509

Efficiency：
two-stage96%,three-stage 94%,and combination of EWR/EWR85%.

Installation：
flange,small flange,torque arm.

Grade：
i=23.8~389，combination of EWS/EWR is up to26688

Efficiency：
i=23.8~67.8,77%；i=73.7~389,62%；and combination of EWS/EWR57%.

Installation：
flange,small flange,torque arm.

Grade：
Single-stage, 2, 3 and 4-stage drives are available

Efficiency：
Single-stage 98%, 2-stage 96%, 3-stage 94%, 4-stage 92%

Installation：
horizontal and vertical

Grade：
2, 3 ,4and5-stage drives are available

Variety：
parallel-axes and intersecting-axes planetary gear box

Grade：
2, 3 ,4and5-stage drives are available

Variety：
parallel-axes and intersecting-axes planetary gear box