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