- Dongguan PCF Technology Limited
- Address:Six Alley, No.17 Wenming Road, Four Area of Nanzha, Humen Town
- Jaocom Audio
- Address:6th Floor，Fengshan Industry Zhuhai, Guangdong
- Enping Yinyu Electronic Technology Co., Ltd.
- Address:
- Guangzhou Actpro Audio Co., Ltd.
- Address:Number 12 Zhongchuan Road Shengshi Industry Panyu Guangzhou China
- Dongguan Chuangao Electronic Technology Co., Ltd.
- Address:4F Huafuyang Building, 1 Kewen Road, Nansha
- Shenzhen Xinhaoyue Technology Co., Ltd.
- Address:4FloorB1 BuildingAnle industrial ZoneHangcheng Road,Gushu Community,Xixiang Sub-district,Baoan D Shenzhen, Guangdong
- Shenzhen Yu Sen Da Electronics Co., Ltd.
- Address:Fuyong
- Ningbo Holida Electronics & Technology Co., Ltd.
- Address:No.228 Huimao Road,Sanheng D.Z.Fenghua,Ningbo
- Shenzhen Ensea Technology Co., Limited
- Address:HuangMaBu Community, Xixiang Street,Baoan District
- 3cbaba Ltd
- Address:Baoan Shenzhen, Guangdong
- Foshan Nanhai Yunqin Audio Equipment Factory
- Address:No.99 Caochang Industrial Zone,Lishui Town, Nanhai District
- Shenzhen Vcan Electronic Technology Co., Ltd.
- Address:3rd Floor,Block A,Bai Fu Li Industrial Park, Da Lang Street,Long Hua District,Shenzhen,CN
- Shenzhen DEZ International Trading Co., Ltd.
- Address:FuTian HuaQiangBei Road
- Shenzhen ZZD Science & Technology Co., Ltd.
- Address:2/F(East), 3rd Building, No.17 Gongye Road, Sanwei Community Zone, Xixiang, Bao&＃39;a
- Shenzhen Lessmore Innovation Technology Limited
- Address:1403,Taojing Business Building,Longhua New District
- Guangzhou Kinxin Electronic Audio Co., Ltd.
- Address:Deli industry,Dongjin,Xinhua Town,Huadu District
- Chengdu HRWT Tech Co., Ltd
- Address:ximianqiao Street 18 number jinmaolidu 2005 Chengdu, Sichua
- Shenzhen Weilianfa Technology Co., Ltd.
- Address:3/F, 14th Building, Jiatiangang Ind. Estate, Huangtian, Xixiang St., Baoan District
- Shenzhen Mike Vision Technology Co.,Limited
- Address:Minzhi street,Longhua New District
- Xiamen Sound Buzzer Technology Limited
- Address:Dunhou Industrial zone Puxian RD Fengze Quanzhou, Fujia