Technical Support/Customer Service
Phone: 909-987-4386 & 909-466-5993

Orders
Phone: 1-888-HIPOGTR
Fax: 909-466-5981

Email
info@gtrhipo.com

Address
8678 Utica Ave.
Rancho Cucamonga, CA 91730

Hours of Operation
Mon-Fri: 8:30 am - 6:30 pm
Sat: 8:30am-2:30pm