Shenzhen FireStar Electronic Technology Co., Ltd. Tel: +86-755-83883693 Fax: +86-755-8388369 Email: sales@efirestar.com Add.: RM 5023, Unit B, Electronic Science & Technology Building, ShenNan Mid Road, Shenzhen, P.R.China Factory Add.: Block 10, GuShu Industrial Park, XiXiang Town, BaoAn District, Shenzhen, P.Rs.China support:www.321jd.com