- Zhejiang Zhongji Economy And Business Co., Ltd
- Address:16-2-902 Wen Cui Yuan, No.227 Wenyi Road
- Guangzhou Cylink Electronic Technology Limited Company
- Address:No.12-14, A6 Building,Yu Hang International Machines Trade Base, Hua Dong Town, HuaDu District
- Shenzhen Vastking Electronic Co., Ltd.
- Address:2/F,Building 6,ZhengZhong Industrial Park,Qiaotou Community,Fuyong,Baoan
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