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Duplex Mill & Mfg. Co.

last updated: June 27, 2017

Office: 415 Sigler Street
Spingfield, OH 45506-1144
Phone: (937) 325-5555
Fax: (937) 325-0859

Duplex Mill & Mfg. Co.

For over 125 years the Duplex Mill & Mfg. Co. has been making Kelly Duplex equipment for material handling and agricultural applications. 

We have a broad range of both standard and custom material handling machinery. Use our experience and expertise in the design of process machinery to provide the solution to your process requirements. We offer a unique combination of extensive experience, advanced design tools, and state of the art fabrication. 

Our line of agricultural equipment is unmatched; we kept the best of the old and are constantly striving to add new products to meeting the changing agricultural environment. 

This website has two sections; industrial and agricultural machinery. Both sides have detailed information on our standard and custom products. We hope you'll find the information about our machinery which you need to answer your questions. After you've browsed our site, please contact us to refine the solution to your requirements. 


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