Introduction of WPKA reducer

1.WPKA reducer model

WPKA40, WPKA50, WPKA60, WPKA70, WPKA80, WPKA100, WPKA120, WPKA135, WPKA147, WPKA155, WPKA175, WPKA200, WPKA250

2. Speed ratio of WPKA worm gear reducer

1:5, 1:10, 1:15, 1:20, 1:25, 1:30, 1:40, 1:50, 1:60, 1:70, 1:80, 1:100