Shenzhen RuiHan Technology CO, Ltd is offering the whole encryption system. 

The whole encryption system is composed of the encryption card and USB key. The main function of the encryption card is to actively encrypt any information comes into the hard drives (including the operating system, hard disk partition list, user programs, files, etc.), to ensure the whole hard disk is a cipher, after insert USB key, hard drive can be decrypted. This encryption product protects data through dynamically generated random numbers. Data processing, interface controller all implemented within FPGA, its reasonable system structure can guarantee the maximum system compatibility, the strongest encryption performance, while PC performance and usage mode will not be affected by using this product. 

My skype is dai5566

Adele Dai