Yamazen Inc. Service supports all products that we sell, either on a warranty or non-warranty basis. You may choose to reach us at (800) 882-8558 extension 5, at service@yamazen.com, or by completing the form below. Having a deep commitment to proximity to our customers, we have 13 offices throughout the U.S. Our service technicians and applications engineers are dispatched from these facilities in order to provide our customers with optimal response.