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News：
[2016-08-30]Qinheng Electronic will attend the 12th China (nanjing) Soft Expo
[2016-03-05]Qinheng release the 8 bit enhanced USB Series MCU
[2015-04-18]Qinheng launch printer data acquisition box
[2006-06-15] About RoHS certification
USB Android HOST
Chip CH9343
USB 2.0 Extender Control chip CH317
File management control chip
CH376
