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?? ??? ????? ????? ?????? ??????? ?????? ??????? ?? ??????? ??????????? ???? ?????? ???? Shanghai Digital Manufacturing Co., Ltd. ??? ???? ???? ????? ?????? ???? ????? ?? ???????? ???! ????? ???? Shanghai Digital Machinery Technology Co., Ltd. ?? ??? 2004. ???? ????? ??? ????? ????? ?? ???? ??? ????? ????????. ??? ????? 2016? ????? ???? ??? ?? ?????? ?????? ??????? ??????? ????? ?????? ????????. ??? ?????? 2017? ???? ??? ?????? ??????? ???????. ??? ????? ?? 870857. ???? ???? ?????? ???? ??? ????? ???????? ?????? ???? ??????? ????? ??????? ??? ???????? ?????? ??????? ????????? ??????? ?????? ???????? ????? ?? ????? ?????? ???????. ??? ????? ????? ??? ????? ???? ????? Stratasys? ???? ????? ??????? ?????? ?? Zhicheng Industrial Park? Pudong New Area? Shanghai? ???? ???? ?? ????? ?? Chongqing? Tianjin? Ningbo? Xiangtan ?????? ????. ???? ???????? ??????? ???????!