Tungnan Technology Co.,Ltd.

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Professional IC design sales, Trusted technology team。

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Improving the quality of service for customers, we are operating criteria.

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Reduce customer costs and enhance customer competitiveness

New Products

3 Key Single tone IC, DING-DONG 1 time, DING-DONG 2 time

1 Key Siren;Customized to modify the sound

M3720-3 SIRENⅡ

M3720-4 POLICE CAR

M3720-6 SIRENⅠ

M3720-9 AMBULANCE

OSH,LH Melody IC with 2 LED flash, Customized to modify the melody

Dual Tone Melody IC 1. DING DONG 2. DING DING 3. WEST MINISTER