1991-11        Mr.Zhao Furong with 3 members prepared to found QS-Tech 

1992-07        QingSong Graphic and Image Technology Company founded which was located in
                     FengQing Road,Xian and was a collective ownership enterprise, the register
             ...

1993-03        QingSong R&D successfully the Chinese initial VGA, Synchronous Video LED display with
                     FoShan photoelectron components Factory.

1994-09        QingSong was cognized as Hi-Tech enterprise by Xian Govt.

1995-09        QingSong moved TaiBai South RD,Xian, the register capital raised to RMB?2,000,000
                     from RMB?200,000.

1996-06        LanZhou Representative Office founded.

1996-10        QingSong bought 2 floors of TaoYuan Mansion as new workshop in Xian Hi-Tech
                     Industry Development Zone.