- Shenzhen Estron Technology Co., Ltd.
- Address:Bao&＃39;an Xixiang Street
- Ningbo Haishu Hongsheng Electronic Components Factory
- Address:Wanhua,Hengjie Town,Haishu
- Changzhou Weishuo Electronics Co., Ltd.
- Address:No.5 Longwei Road,Baizhang,Chunjiang Tow
- Changzhou Liangsheng Technology Co., Ltd.
- Address:NO.358,Qingcheng Area Chunjiang Town Xinbei Distric
- weifang qinyi electron technology., Ltd
- Address:Weifang, Shandong, China
- Guangzhou Ruifeng Electronic Technology Co. Ltd.
- Address:Guangzhou, Guangdong, China
- Dongguan Xiangming Electronics Co., Ltd.
- Address:Hu Quan Road,Qing Hu Village ,Qi Shi Town,DongGuan,China.
- Changhzou Wujin Lianhua Electronice Co., Ltd.
- Address:常å·å¸æ¦è¿åºæçè·¯58, Changzhou, Jiangsu, China
- Guangzhou Dingyun Speaker Factory
- Address:Guangzhou, Guangdong, China
- Zhongshan Zhensheng Electronics Tech Co., Ltd.
- Address:Building 2nd,Street 6,1st,Muhejing Road,Gangkou tow
- Shenzhen Oriental Di Electronic Technology Co., Ltd.
- Address:Dalang, Shenzhen, Guangdong, China,518109
- Taizhou Fusheng Magnetic Buzzer Co., Ltd.
- Address:No.168,Fenghuang West Road
- Ningbo Fante Plastic Products Factory
- Address:Meidisi Road, No. 399 Wuxiang Industrial Zone, Yinzhou District
- Ningbo Sanco Electronics Co., Ltd.
- Address:Rm10-9, No.580, Ningdong road, Huanhe business centre #2 building
- Weifang Hengtai Electronic Tech Co., Ltd.
- Address:Zhangshi Industrial Park Economic Development Zoon
- Changzhou Wujin Yueda Electroacoustic Equipments Co., Ltd.
- Address:No.11,South Zhengping Street,Lijia Tow
- Shenzhen Duoyi Technology Co., Ltd.
- Address:Qinghu, Shenzhen, Guangdong, China
- Zhejiang PowerStar Technology Co., Ltd.
- Address:5-310 wanda business building jiangbei ningbo china
- Huisen Technology
- Address:Shenzhen, Guangdong, China
- Jiangmen Minghao Electronic Technology Co., Ltd.
- Address:No.18, Dongmen Road, Enping City, Jiangmen, Guangdong, China, Jiangmen, Guangdong, China