Grand Chip Microelectronics Co., Ltd.
Telephone: +86 731 2816 1168
Address: Room 308, Building D, Section B, Power Valley Innovation Park, Intersection of Zhuzhou Ave. and Xianyuehuan Road, Tianyuan District, Zhuzhou City, Hunan, China.
Kangxi Communication Technologies (Shanghai) Co., Ltd.
Telephone: +86 21 6168 1915
Address: Rm. 10-502, No. 498, Guoshoujing Rd, Pudong New Area, Shanghai.