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