Book is the inheritance of culture, the record of civilization, and it is also our good teachers and wise friends. Reading can cultivate people's sentiment and make ourselves become happy. Reading more books and reading good books will increase and enrich knowledge,optimize temperament and improve quality.

Pyrolytic Graphite Sheet (PGS) can deliver the heat, which is generated by the CPU/Flash chip on Mi Phones’ mainboard PCB, evenly to the middle metal steel bracket and framework. Meanwhile the heat from the high heat-making CPU chip can be spread throughout the plane of graphite sheet rapidly. * The chip’s heat passed on the surface of the