Winstrong Electronic Co.,Ltd Was established in 2008,is a professional manufacturer of USB Flash Drive and Mini Speaker in Shenzhen,China.We also registered a HongKong company ----- Winconn (HongKong) Technology Co., Ltd..We provide USB Flash Drive(such as Plastic / Metal / Soft PVC / Ball Pen / Bracelet / Leather / Card / Crystal / Wooden...etc. USB) and Bluetooth Speaker / Promotional Speaker / Sport Speaker / Amplifier speaker / Older Speaker to international market,For producing process,We