E-Sound will celebrate its 30th anniversary in October.
ISO9001: 2015 certificate was acquired.
Man-machine interactive module of intelligent medical equipment and intelligent clotheshorses was developed and related patents were acquired.
Man-machine interactive module of self-balanced bikes was developed.
E-Sound Electronics Co., Ltd. was founded as a subsidiary corporation.
ISO9001: 2008 certificate was acquired.
ROHS standard certificate was acquired.
ISO9001: 2000 certificate was acquired.
Microphones and receivers were developed.
Multimedia speakers and automobile horns were developed.
Mobile phone speakers were developed.
Speakers of computers, DVDs and televisions were developed.
Ultra-thin speakers were developed.
Changzhou Duoxing Electronics Co., Ltd. was founded.
Buzzers were developed.
Changzhou Duoxing Electronic Device Factory was founded.