- Ningbo Booyii Electron Co., Ltd.
- Address:18FA site,convention &Exhibition center building, No. 168 Baizhang East Road
- Dongguan Cosson Electronic Plastic Co., Ltd.
- Address:Building F1 Minghe technology square,Shangsha country,ChangAn town,Dongguan city,GuangDong province,China
- Dongyang Redsun Electro Acoustic Co., Ltd.
- Address:Hengdian Industrial Area, Dongyang, Zhejiang,China
- Jinan Xuqiu Musical Instrument Co., Ltd.
- Address:No.15612 Century Road
- Guangzhou Shier Sound Technology Co., Ltd.
- Address:3th Floor No.10-1 Lilv Road Licun Dashi Street Panyu District,Guangzhou,
- Yueqing Changnan Electric Technology Co., Ltd.
- Address:Liushi
- Dongguan Gorsun Electronics Co., Ltd.
- Address:NO1 chashi Road,Chashan Town
- Hangzhou Shuyuan Audio Equipment Factory
- Address:NO.13Jiaqi Road, Xianlin town, Yuhang District
- Guangzhou Yarmee Electronic Technology Co., Ltd.
- Address:No.8221 Yuewang Building,Baiyun District
- Shantou Jiaxin Electronics Industry Co., Ltd.
- Address:West Side of Middle Section of Guantian Gongye Rd.,Gurao
- Topsound Microphone Ltd.
- Address:3 / F, Bldg A, North Jixian Industry Zone, Baiyun
- Shenzhen Century Chengming Electronic Technology Co., Ltd.
- Address:Xinwei third industrial park, Gongming Town, Guangming new district, Shenzhen, China
- Changzhou Kangtai Electroacoustical Equipment Co., Ltd.
- Address:CHI SHANG COUNTRY INDUSTRY GARDEN,XIXIA SHU TOWN ,XIN BEI DISTRICT,CHANGZHOU CITY
- Shenzhen Easy-All Electronic Development Co., Ltd.
- Address:Rm 3-B507,Floor 5,East of 3rd Building,Seg Science & Technology Park,Huaqiang North Road, Futian, Shenzhen,China
- Zhangjiagang Emergency Medical Service Technology Co., Ltd.
- Address:zhangjiagang City, Jiangsu province
- Guangzhou Baiyun Xinbaosheng Professional Electroacoustic Equipment Factory
- Address:Buliding B,Industrial zone of 11 Club,Shijin Town,Baiyun District,Guangzhou
- Enping Lane Electronic Technology Co., Ltd.
- Address:No.11/B,Enping Foreign and Private Capital Industry Zone, Guangdong China
- Shenzhen Actions Electronics Co., Ltd.
- Address:Bao'an
- Shenzhen Guanhua Automobile Diagnosis Equipment Co., Ltd.
- Address:502 158#longtang village longtang district mingzhi street baoan strict shenzhen
- Guangzhou Geying Electronics Co., Ltd.
- Address:Tianhe Bei Road, No.601