Shenzhen Puretech Enterprise Ltd. O/B P Mac International (HK) Ltd. was established in 2003.  And our main company, freelink Electronic Co. is in HK and established in 1991.  In the past 15 years, we have been one of a leading company specialized in the filed of distribution of External Storage Enclosure and multimedia player, and trading business in Apple computer peripherals and accessories.. Since 2003, we are developing, manufacturing and marketing our own USB2.0 QCool OTG (Digital Photo Album), which are using external interface of On-The-Go technology. We are also delivering professional OEM/ODM service in HDD enclosures to our customers, our R&D professionals in China R&D center are continuously developing high quality computer products. Free Link Trading Co. & Puretech Enterprise Ltd. have strong management expertise, marketplace knowledge and ethical business practices with professional technology. We strive to help our customers succeed and by developing close working relationships with them. We can better determine their requirements and provide more effectively service.