Contact Us

Business Hours:
Mondays-Fridays : 8:30AM – 12:30PM
Saturdays: 9:30AM – 12:30PM (By Appointment Only)
Closed on Sundays


(909) 4682028

Noted: We moved, No longer located on 727 Brea Canyon Road #7 Walnut, CA, 

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https://www.facebook.com/pages/Cosmos-Business-System-Inc/140473456002409?fref=ts