- Shenzhen Swiff Technology Limited
- Address:Block A, 3/F, Building 4, Chaohuilou Tech Park, No. 119, Huating Road, Dalang Street, Longhua New Area
- Sichuan Chuangruiwangying E-Commerce Co., Ltd.
- Address:guanghua street 3rd
- Jinjiang Jinyue Electronic Product Co., Ltd.
- Address:Anping Industrial ,Anhai Town
- Gaoyao District Jinli Town Yangming Music Equipment Manufactory
- Address:Xinan
- Qingdao Huaxia Baili Musical Instrument Co., Ltd.
- Address:NO.21 YANWEI ROAD
- Xiangdongxing Plastics Mould Co., Ltd
- Address:Cuishan Industrial Zone, Luohu Disrtict, Shenzhen
- Changle Gloryland Musical Instrument Factory
- Address:changle county ,tangwu town ,
- Guangzhou Hebikuo Musical Instrument Manufacture Co., Ltd.
- Address:
- Shantou Chenghai Sky Eagle Plastic Toys Factory
- Address:SOUTH SIDE OF RONGLU BRIDGE, TOUFEN, FENGXIANG, CHENGHAI
- Xiamen Elane Electronics Co. Ltd.
- Address:4th floor, # 10 of Ai-De Air Industry Park, Gao Qi South 12th Road
- PingDu JIaMei Musical Instrument
- Address:PingDu QingDao ShanDong China
- Zhejiang Yueyun Piano Co., Ltd.
- Address:No. 18, Shunda Road, Luoshe Industrial Garden, Deqing County
- Dongguan Switek Technology Automation Co., Ltd.
- Address:Buliding No.5 nanwei industrial district tangbian villgae zengbu management area chashan town dongguan city
- Professional Accordion Ltd.
- Address:xianghe development zone，Anping Town, Langfang city, Hebei Province, China
- Hangzhou Goodway Piano Co., Ltd
- Address:No.45 dingqun rd.,Jiang Guan,Hangzhou China
- Tianjin YueYou International Trade Co. Ltd
- Address:Tai Da Yuan, Yong An Road, Hexi District.
- G&C Enterprise
- Address:Qong PU Industrial Zone
- Suzhou Lixueyi Import And Export Co., Ltd.
- Address:NO.814 2Building Jiahe business Center NO.777 Huanghe Road,Changshu City,Jiangsu Province
- Sanya Technology Co., Ltd
- Address:Futian District Shenzhen
- Deqing Yaxin Piano Co., Ltd.
- Address:No.8,Detong road,Qianyuan Town,Deqing County,Zhejiang Prov. China