baizhangdonglu, Ningbo, Zhejiang, China

Tonoch Audio Co., Ltd. Located in Ningbo, China, was founded in 2000, as a manufacturer & exporter of professional audio equipment, with the sole aim of being the largest supplier of high qual...

Rm.808 Science &Technology edifice, No.9 Zhongguancun South Road

Beijing YuJi Science & Technology Co., Ltd (YuJi Co.), established in 2005, is a high technology group. We have a creative and strong R&D team, which is constantly expanding in 3 areas...