Guangzhou Nansha Jianbang Electronic Co., Ltd.

[ Manufacturer ]Main business are Electronic product

Guangzhou Wenbao Audiovisual System Co., Ltd.

[ Trader ]Main business are Conference system, Guide system, Exhibition system, Simultaneous interpreation system etc.

Zhejiang Harman Audio-visual Technology Co., Ltd.

[ Trader ]Main business are Audio-visual technology product

Beijing Xiange Sound Technology Co., Ltd.

[ Manufacturer ]Main business are Digital meeting system

Beijing Joinusrip Technology Development Co., Ltd.

[ Manufacturer Trader ]Main business are Software