estalished in the year of 2006 Sinoipuren is one of professional promotional gifts solution providers and manufaturers located in Shenzhen Specilazied in custom USB flash drive, USB memory stick,didital photoes frames. sport cups mobile phone accessories etc. we have more than 3000models for your refrence. Our pusuit of top quality reasonable prices and comprehensive after- sales services offer both potential and long-standing clients confidence for our company. we have succeeded in exploring the global market and have won excellent public praise among our world partners by excellent quality outstanding OEM/ODM capacity competitive price and reliable service.