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Strike for the Highest Quality!
UL, 3M VHB Tape, Sentry Reed Sensor...
 
USA 1-800-916-8783
1-800-916-TRUE
International 510-279-9992
Fax 510-270-6600
 
 
 
 
 

About Us

We, Additional Technology Security Inc., a California cooperation dba Sentry Sensor, are manufacturing products with reed switch application, especially in magnetic contact switches. The factories are location in China and Taiwan. Other product lines are LED light, temperature sensor, and so on.

Advanced processing technique, quality material plus strict management, come into high quality products. Most of our products have passed safety approvals of UL, and CE. We can offer Sentry Sensor brand, as well as OEM and ODM for your special requirements. Whether it is extra long leads, supervisory loop (Tamper switch), adding resistors to your switches, special magnet, heavy load reed or private labeling your company name, Additional Technology Security Inc. is here to serve you. 

Warmly welcome customers for all over the world.

U.S.A.
Stewart Avenue
Fremont, CA 94538
U.S.A.


Tel.: 1-800-916-8783
Tel.: 1-510-279-9992
Fax: 1-510-270-6600
Email:
Asia Branch Office
1F, No. 18, Lane 430,
Fusing North Road,
Jhongshan District,
Taipei, Taiwan, R.O.C.

Tel.: 866-2-2507-2333
Fax: 866-2-2507-2336
Email: