Our company, Markma Co., Ltd, is a main Electronic manufacturer in Shenzhen. Since established in 1999, We specialized in Digital products, Computer periphery and others. Such as, Mobile phone, digital camera, digital video, usb card reader, memory card, usb hubs, MP3/4, Bluetooth devices, ipod accessories and so on. All products are manufactured in-house, and comply with RoHS standards on environmental safety. They are exported to more than 40 countries, mainly North America, US, Europe and Middle East.plz contact me.msn:markma424