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???????? ?????? ?????? (HPC) ?? ???? ?????? ????? ??????????? ???? ?????? ????? ?????? ???????? ?? ????? ?????? ???????? ??? ????? ?????? ?????? ?? ????? ????????. ????? ???????? ?????? ?????? ?????? ??? ????? ??????? ??????????? ???????? ??? ???? ???? ?? ?????????? ?????????? ????????? ??????? ????????. ????? ???? Zhejiang Haishen New Materials Co., Ltd. ?? ????? ???????? ?????? ?????? ???? ?????? ??? ??????? ??????? ???????. ????? ???????? ?? ???????? ?????? ?????? ??????? ??????? ??????? ??? ???? ????? ?????? ?? ?????????. ?? ??????? ??? ???????? ??????????? ???? ??? ?????? ??????? ???????? ????? ????? ???? ????? ?? ????? ??????? ?????? ??? ???? ??. ???? ???? ??????? ?????? ????? ?? ???????? ?????? ??????? ???? ???????? ?????? ?????? ????? ?????? ?? ???? ???.