Precision Machine & Manufacturing (PMM) specializes in building components that move the most extreme materials in the most challenging environments. As an original equipment manufacturer of heavy-duty rotary valve airlocks, rotary airlock feeders, and screw conveyors, PMM builds components that eliminate the most difficult material handling challenges. Operating in a variety of industrial manufacturing industries ranging from Biomass Power Generation, Wood Processing, Cement Manufacturing, Coal-Fired Power Production, Mineral Processing, Pulp & Paper Manufacturing, and Plastics & Chemical Processing, Precision Machine & Manufacturing builds high-quality components that eliminate unscheduled downtime, reduce maintenance costs, and operate significantly longer than the alternative options. The bottom line, PMM simply outperforms the competition! ALWAYS 100% Made in the United States of America!