ShenZhen Singularity CO.,LTD China(CN)
Shenzhen Singularity Industrial Co., Ltd. is a leading manufacturer of digital and communication products in Shenzhen City, China. Our products mainly include Dual SIM Card, SIM/Mobile Backup, Card Reader,MP4 player,Bluetooth Adapter, VoIP Phone, Fix ...
Category: Telephone Manufacturers, General, Telephone Exchangers
Register Time: 2008-04-08