V-Sonic Electronics Co., Ltd.6th Block, 5th Industrial Estate, Xiacun, Gongming, Shenzhen,ChinaTel: +86 (0755) 2768 0735 Fax: +86 (0755) 2768 0734Contactor: bobby amos Cheng E-mail: bobbyamos@v-sonic.com.twSkype: v-sonic-bobby