- Dongguan Trangjan Industrial CO.,LTD.
- Address:NO.6,Dongsheng Rd,Jiucun,Huangjiang town Dongguan Guangdong 523767 China
- Zhongshan Ksin Electronics Co.,Ltd.
- Address:the 4th floor A Building Xinzhaowei industrial park,Dabu,Sanxiang,Zhongshan Zhongshan Guangdong China
- Yingxin Digital Technology Co,Ltd
- Address:A5-061,mingtong digital city,huafa north road,futian district. Shenzhen Guangdong 518000 China
- Changcheng Industrial Co.,LTD
- Address:Sanjiao District,Yantian Village,Fenggang Town DongGuan City Dongguan Guangdong China