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We value every opportunity to communication with you, whenever you have any questions or suggestions, please Contact Us with following information. Our support networt has covered most of the mainland area, choose the localiztion service with have a better experience. 


Beijing Tricolor Technology Co.,Ltd(Headquarter Base)

China Beijing

Ph.: +86 10-5356 3888
Fax:+86  10-5356 3999
E-mail:info@chinargb.com.cn
Address:6th Floor, Building No.6, Yard No.4, Life Science Park, Beiqing Road, Changping District, Beijing, China, 102206
WeChatTricolor_chinargb
7*24 Hrs Ph.:+86 400 606 9166

Tricolor USA

Ph.:949-468-6219
E-mail:leo@usargb.com
Address:15375 Barranca Pkwy, Suite A-204, Irvine CA92618.