????? ???? ?????? ????? ??????? ???????? (????? ??????? ???????????: China Boton Group) ?? ??? 1991? ?? ??????? ?? ??????? ???????? ?? ???? ???? ?? ??? 2005 (??? ?????: 3318.HK)? ??? ?????? ????? ???? ????? ?????? ???? ??? ???????? ??? ??????????? ???????. ???? ????? ???????? ????? ?????? ??????:????? ?????? ??????? ???????? ?????? ????? ??????? ???????????? ?????? ????? ??????????? ????? ?????? ???????? ????????. ??? ????? ??????? ???????? ?? ????? ?????? ?????? ?????.

????? ???????? ?????? 10 ????? ????? ??????????? ???????? ???????? CNAS? ????? ?????? ????? ????? ??????????? ???????? ??????? ?????????? ?????? ???????? ????????? ??? ??? ?????????? ?????? ?? ????? ????? ??????. ???? ????? ????? ???????? ???? ?? 65% ?? ?????? ??? ????????? ???? 33 ???????? ????? ?? 400 ???? ?????? ????? ????? ?? 1000 ???? ?????. ???? ???????? ??? ?????? ?? ??????? ???????? ?? ???? ????? ??????? ??? ?? ??? "????? ?????? ?????? ?????? ??????????? ?? ?????? ???????"? ?????? ???? ?????? ?? ?????? ???????? ??????? (PCT) ????????.
    ????? ???????? ?? ????? ?????? ???? ????????? (?????? ????????? ??????)? ??????? ???????? ????? ??????????? ??? ?? ????? ????? ?????? ????? ??????? ???? ????? ????????? ????????? ?????????. ???????? ??? ????? ??????? ???? ???? ??????? ??? ?????? ???????? ????? ??? ????? ????? ???????? ?????? ?????? ?????? ?? ????? ??????. ???? ??????? ????????? ????? ?????? ????? ??? ????? ???????? ??????? ????????? ?????????? ??????. ????? ???? ???? ???????? ?????? ???? ??????? ????? ?????? ??? ??????? ??? ???? 26 ???? ????? ??????? ?? ????? ?????? ???? ??? ????? ???????.
    ?????? ????? ???? ???????? ?????? ??????? ??????? ???????? ??????????? ?????? ?????????? ?????????? ??? ??? ???. ??? ???? ???????? ????? ???????? ????? ?? 400 ????? ???? ?????? ???????? ??????? ????????? ?????????? ???????? ???????.