- Dongguan ADDZ Electronics CO.,Ltd
- Address:WanTai Road,DongCheng Center, DongCheng,DongGuan city, GuangDong Dongguan ?? 523000 China
- Kunshan Chiana Thrive Circuit Board Factory
- Address:NO7.Qianyang Road, Kun Shan, Jiangsu Province, China
- Beijing Sinotanden Engineering Co.,Ltd
- Address:Room 508 Building 1 +1, No. 10, Caihefang Road,Haidian District Beijing Beijing 100080 China
- Shenzhen Smart Time Technology Co., Ltd.
- Address:6/F, PolyU Base Building, No.1 Yuexing Road, Hi-Tech Industrial Park, Nanshan District