- Huawei Personal Service Co., Ltd
- Address:Bantian Street, Longgang District Shenzhen Guangdong China
- Guangzhou Dudian Electrontics Co;LTD
- Address:415F Cloud View Commercial Building, jing Xi Road Guangzhou Guangdong China
- Shenzhen Head Welink Co.,Ltd
- Address:Rm.408,Building 5,Donghua Design house.Nanguang Rd.Nanshan District.Shenzhen PRC Shenzhen Guangdong China
- Hiyunton.Walkie-talkie.Co.,Ltd
- Address:LiMing industrial area Shenzhen Guangdong 518052 China
- Tianyihong
- Address:Honglingbei road Shenzhen Guangdong 518000 China
- China Radio Tech.Limited
- Address:415F Cloud View Commercial Building, jing Xi Road Guangzhou Guangdong 510000 China
- Shenzhen DBL Technology Ltd.
- Address:Room 5C,Aozhihao Integrated Building, Xinzhou 4th Street,Futian District Shenzhen Guangdong 518048 China
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