Grand Exploits Technology Co.,Ltd Head Office Rm787, Blding Xinghua, Rd. Shennan Mid, Futian District, Shenzhen City Telephone: +86-755-81248755    Fax:  +86-755-83066943  Website: http://www.szgetmusic.com Email: info@szgetmusic.com   Factory Address Shenzhen, Guangdong Province, 518054, China