Where Can We Buy Narrow Track Vehicles/Bilkes

I want to know who is manufacturing or wholesaing Narrow Track Vehicles/Bilkes, I want to import few of them in my counntry.

To understand what I am talking about see this video

http://www.youtube.com/watch?v=5CAnq5DyNG0

I am only interested in simple bikes,

either 2 wheeler or 3 wheelers (with 2 wheels at back). Just check the video at 12:30 I am looking for such bikes.

Can you please tell me the name of company from which i can import that , thanks