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Picture of GMC Machine Tools building in Ontario California.

Contact Us

Monday through Friday 7:30 AM - 4:00 PM PST

If you'd like to pay us a visit,

2001 Elm Court
Ontario, California 91761, USA

Give us a ring

Send us an email

Mark Chen- President

Jenelle- President's Asst.

Sales Manager, Nancy Arias

Lead Technician, Trent Avery

General Email

Serving the most trusted brands in the world.

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