Thanks guys for the input,Cropwell I think of that but the shipping cost from here to China is very high unfortunately.
Desertboy that is the first thing that came to my mind ,the other two for the Y axis to be am882h, good input about the voltage rate.
Clive now he only thing I have to concern is that when I receive the Am's and open the box from mail ,not to have two monkeys drives to jump out instead of the real thing,haha!