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Small piezo buzzer with high sound pressureOur company’s piezoelectric amplifiers are used to sound operation confirmation sounds and warning sounds in various electronic devices such as home appliances. The SPL(sound pressure level) is proportional to the shell size of the loudspeaker. Therefore, w
+We herein declare that the products that we manufactured are “DRC metal conflict-free”, the metal of gold(Au),tantalum(Ta),tungsten(W) and Tin(Sn) are not derived from or sourced from mines in conflict areas of the Democratic Republic of Congo(DRC), or illegally taxed on trade routes, either of whic
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