tennis training machine

Specifications

Features:
1.the tennis training machine is mainly used to practice the forehand,backhand
and different technology of hitting. raising the level of your playing tecnology.
2.The tennis training machine can be used for raising your arm force .make your arm more powerful.
3.The tennis training can also be used by the special tennis player.they mainly use it warm up the body
 before the competition.
4.It can be used on small space.indoors and outdoors is ok.It can be placed in schools,families 
and professional sports field.
5.It is folding and you can take it easily.
6.the tennis is fixed on the machine.You can adjust the height and direction of the machine by yourself.