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U.S.A. Corporate Headquarters

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Tel: 301.309.8500 x 125
Sales Representative Email:,
Technical Support Help Desk:
Click Here for Online Tech Support

U.S.A. Headquarters Address:
220 Perry Parkway, suite 5
Gaithersburg, MD 20877 USA
Employment Inquiries: Email:
Sales Hours: Mon-Fri 9:00am to 6:00pm EST

Taiwan Office Teletronics Technology Co.

TTI Teletronics Co.,LTD.
13F-6, No. 872, Jhongjheng Rd., Jhonghe City,
Taipei County 23586, Taiwan
Tel: 02-2222-3225
Fax: 02-2228-6534

Beijing Office, Beijing Teletronics Technology Co. China

North Building 1-#901 Fenggeyayuang, #8
Nanhunan Road, Chaoyang Dist., Beijing 100102
Tel: +8610 62855815, 18610996899,13501006689
Fax: +8610 62855815

Zhejiang Xunyuntian communications Polytron Technologies Inc.

Changxin science and Technology Park, Comprehensive building(two period) , Huzhou city,Zhejiang province, China
Tel: +86572-6086698, 6217858
Fax: +86572-6086698, 6217858

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How to Buy

If you have any questions or specific requests about our products, you can:

1. Contact our sales representatives: Tel: 301.309.8500
Our sales representatives will contact you within 1 business day. Thank you.

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