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ViewSonic VFM835-52G/VFM835-72G
Customer Support
For technical support or product service, see the table below or contact your reseller.
Note: You will need the product serial number.
Country/Region Web Site Telephone e-mail
China www.viewsonic.com.cn 800 820 3870 service.cn@cn.viewsonic.com
Hong Kong
www.hk.viewsonic.com/support/ 852 3102 2900 service@hk.viewsonic.com