Just an FYI, these are also called syringe pumps. I used one a long time ago
and cant recollect the name of the company...  I just googled for syringe
pumps and found a lot of them online though...
Probably worth a try.

Regards,
Pavan

On Mon, Jun 15, 2009 at 3:10 PM, Peng Li  wrote:

> Dear all,
>
> Could any one recommend some micropump vendors for me?  We would like to
> have the flow rate in range of ul/min for pumping air. We currently have a
> syringe pump but it is too bulky. Any information will be appreciated!
>
> Sincerely,
> Peng Li
> Research Assistant
> Department of Mechanical Engineering & Applied Mechanics
> University of Rhode Island