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?????? ?????? ???????????? ??., ?????? (SHDM) (???? ???: 870857) ?? ?????? 2004 ???? ???? ?? ??, ??? ???-?????? ???? ?? ??? ?????? ???? ??????????? ????????? ?? ??? SHDM ??? ??????? ????? ?? ?? R&D, ??????, ???-?????? 3D ????????? ??? 3D ??????? ?? ????? ??? ?????? 3D ????????? ??? ?????? ??? '?? ???? ??????? ???? ??? SHDM ?? ???? ???? ???????? ????, ?????? ????? ?? ??????? ???? ???? ??, ???? ?????? ????? ??????? ???? ??????????? ??????? ?? ??? ????? ??? SHDM ?? Chongqing, Xiangtan, Tianjin, Ningbo, Shenzhen, ??? ??????? ???? ????? ??????? ??? ????? ?????? ???? ???