Price of the ballscrew??

Hi:
I am new in this group and studing in UK now.
From my name, you may guess that I am a Chinese.
YES or No!! I am not sure if I am, because I came from Taiwan.

I am trying to draw a plan to convert a small mill(Sieg small mill
X3) to CNC and would like to use ballscrew. But I don't have any
ideal about the price of ballscrew to set my budget. In Taiwan, we
have a lot of factories making ballscrew, but most of them would not
provide price for hobbist or they ususlly sell it by bundle. I am
trying to find a retailer of them, but have not yet.

So is there someone ever bought a ballscrew for conversion,
or any on-line shop which has price-list and sell it by EA?


Cheers

Tom