Where is the rambler speaker Shenzhen store?

Shenzhen rambler Technology Co., Ltd. Address: Changxing Industrial City, Changzhen, Gong Ming Street, Baoan District, Shenzhen

Tel: 0755) 27 179223, 27 179225, 8368 1964.

I'm using Rambler R20 1T06 now, which is not bad.