Tennis Equipment

XINRISHENG Ping Pong Ball Machine,Table Tennis Training Machine Automatic,with Customize Spin,Frequency,Ball Speed,Landing,Height Table tennis robot can set the rotation and landing point; it can serve 9 kinds of rotating balls with different frequencies and speeds, including topspin, backspin, left spin, right spin, slice, side spin and mixed rotation Serving machine can... XINRISHENG Ping Pong Ball Machine,Table Tennis Training Machine Automatic,with Customize Spin,Frequency,Ball Speed,Landing,Height