I've spoken to them on the phone several times.
They are very anxious and persistent to set you up and take your money. Ask for a free one week trial period. If it such a good thing then I feel they wouldn't mind giving you a free trial and it should sale itself.
Everytime I would ask for a free trial they wouldn't do it. They would just fax over some real desirable looking parts and tell you that this is a one year contract making 50,000+ parts.
What they do not tell you is that every Tom, Dick and Harry is bidding on the job, in the U.S., Mexico, and China, and you gotta beat their price.
In short, I would stay away. Use your money to hire a salesman. The machining industry is good right now, especially in the midwest.