Established in 2002, now,  Shenzhen Besitem Technology Co., Ltd. is developing into a famous and professional manufacturer in the field of computer peripherals in China, our main products lines includes PCI card,  PCI-Express card,   ExpressCard, CardBus, USB card reader & adapter, I/O converter & adapter.We have over 300 well-trained workers, an advanced R&D group and three workshops that occupy more than 11, 500 square meters in total. Our experienced R&D group is dedicating to designing advanced products to accommodate the latest market trend and meet different client’s requirements, OEM & ODM is our advantages. We not only emphasize on quality and appearance, but also aggressively develop easy handling and portable solutions, in 2009, we successfully passed ISO9001:2000 quality authentication.Till now, our products have been exported to over 40 countries from Europe (with CE and RoHS certificate),  America, East Asia, South Asia, the Middle East,  Africa.