????? ???? "???? ???????" ??? ??????? ?????? ??????? ?????? ???????? ????? ????? Wohlers Report ??????? ?????? ?? ??? ???? ??????? ??????? ?????? ??????? ?????? ??????? ???????? ??????? ??? ?? ??? ????? ??? ??????? ????????? ???????? ??????? ??????????.

　　?? ????? ????? ???????? ???????? ?? ????? Wohlers Report 2015 ???? ??? ??????? ?? ??? ??? ?? ??????? ??????? ????????? ???? ???? ?????? ???? ??????? ?????? ??????? ????????? ??? ?? ??? ???? ???? ???????? ?????? ????? ??????? ????? ????.

??? ?? ???? ???? ???????? ??????? ?? ????? ????? 2015

　　????? ???? Beijing Longyuan Automatic Forming System? ???????? ?? ??? 1994? ??? ??? ???? ?? ????? ???? ?????? ?????? ???? ??? ????? ??????? ??????? ??????? ??????? ???????? ????????? ??????? (??????? ?????? ??????? ?? ?????? ????????). ??? ???? ?????? ??????? ??????? ????? SANDY Printing Technology. ??? ??????? ?????? ???? ?????? ????? ??????? ??????? ??????? ??????? ?? ??? 1994? ????? ?????? ?????? ?????? ????? ??????? ??????? ??????? SLS? ??? ????? ????? ??? ??????? ?????? ????? ?????? ??????? ??????? ???????.

　　?????????? ???? ????? ?????? ????????? ??????? ?????? ??????? (SLS) ?? ?????? ???? ???? Longyuan Forming ????? ????? ?????? ?? ???? ????? ??????? ??????? ?????? ??????? ?? ???? ????? ????? ?????? ??????? ????? ???? ????? ????. ??? ??? ???? ???? ??????? ?? ???????? ?????? ????? ????? ?? ??????? ??????? ????????? ????? ??????? ??????? ????????? ????????? ??????? ???????? ????????? ??????? ??? ?? ???????? ????? ?? ????? ??????? ???????? ?????? ???????. ???? ?????? ??? ???? ?? ???? ?? 400 ?????? ??????? ?????? ????????? ??????? ?? ?????? ?????? ????? ????? ?????? ???????? ????????????? ????? ????? ???????? ??????? ?????? ?????? ?????????. (??????: ?? ??? ?????)