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