Add：Room 408, Zhongyuan Building, No.15 Zhixin Road, Haidian District, Beijing, 100083 China Tel：0086-10-6234 3030; 6234 4900
6231 3900; 139 0104 3505 Consultation：0086-10-6231 3902; 138 0101 6525 Fax：0086-10-6231 3884 E-mail：bjtc#tcsensor.com; sales#tcsensor.com (# is @) URL：www.tcsensor.com 
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