China Near Shenzhen
ShenZhen Toptone Technology Co., Ltd. is a high tech enterprise that specialized is the research and development of digital product, the IP phone. It depends on the latest scientific research achievement of many domestic and foreign famous colleges and universities, and research institute. We had promoted many digital products, such us mp3, mp4, UIP, mp3IP, wireless access to the internet and multi-functional mouse with IP Phone, which are very popular and welcomed by the market.
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