Models View all Cement drilling machine 11 150 0 Rolling machine 17 112 0 Double stroke mechanism 3 32 0 Weeder engine 14 95 0 Mechanism of ball -Cam type 4 23 0 Mechanism of ball (Three-section six-link) 3 20 0 Education national formosa university department of mechanical design engineering • January 2016 - January 2020