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About Us

Company Introduction:

Established Time:1996

Company Location:Changzhou Esuntech Co.,Ltd. locates in Jiangsu near Shanghai which is convenient for goods transportation and customer visiting. And we have Electromax Co as the agent  in Seoul Korea.

Main Poducts:

Buzzer: piezoelectric (piezo) vibration element,piezoelectric buzzer,magnetic buzzer,SMD buzzer

Speaker:piezo tweeter,mylar speaker,loudspeaker,tweeter speaker,TV speaker,car speaker,multimedia speaker,woofer,sub-woofer,waterproof speaker etc

Ultrasonic sensor: for car parking system or distance tester



ISO9001:2000 & QS9000:1998, ROHS compliant 

Marketing Countries:   

USA,Korea,Brazil,Canada,Russia,Turkey,Spain,Germany and so on.

Company Advantages:

We have excellent engineer (including Korea engineer)and we are focus on product innovation , Management innovation.The quality of product was recognized by customer from all over the world.Our products are sold more than twenty countries and regions around the world.our products are widely recognized  by them.And we have long-team relationship with the client.

Our Customers

The honor of the company and qualification certification