I am interested in locating manufacturers of a rotary drum sieving
machines that are able to precisely sieve (sort) dry, spherical
particles.

For the question to be considered answered, the answer must identify
at least two different manufacturers that currently produce machines
that meet the following criteria
a)	able to sieve dry, spherical particles with a precision of plus/minus 50 microns
b)	utilizes rotary drum sieving technology
c)	able to sieve different particle sizes ranging from 100 micron up
to 1,000 microns
d)	priced less than $3,000

For each manufacturer, provide
a)	model number
b)	price
c)	contact information for the manufacturer

A $25 tip will be given for locating at least 5 companies meeting the
above criteria.

(I understand that rotary drum sieving equipment may be used by
agriculture, neutriceutical, cosmeceutical and pharmaceutical
companies

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Clarification of Question by scottymoe-ga on 11 Aug 2005 05:46 PDT

let me clarify that the $3,000 is for the base machine, only.  (The
price for the individual (different sized) sieving screens does not
need to be included in the $3,000 base price)