Shenzhen Puretech Electronics Co.,ltd is a manufacturer specialized in researching and producing usb digital photo bank, power adapter, iPod accessory, digital photo frame etc. It was established in 1991 in HK. In the past 15 years, it was one of the leading company in the filed of distribution external enclosure storage, multimedia player, apple computer related products. Since 2003, we began to producing our own QCOOL digital photo bank (OTG), power adapter,iPod accessory,digital photo frame etc. in addition , we are the first factory support RoHS in china. Particularly our power adapter has already pass the UL certification.