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???????? ?????? ????? ?????? (HPMC) 0.3 ?? ???? ????? ?????? ???????????? ??????? ??? ???? ???? ?? ????? ????????? ??? ?? ??? ???????? ???????? ???????? ???????. ????? ??? ?????? ?????????? ??? ??????? ??????? ??????????? ?? ??????? ???????? ?????? ???????? ??? ??? ?? ???? ???? ?????? ??? ????? ?????? ??????? ?? ?????????. ???? ???? Zhejiang Haishen New Materials Co., Ltd. ?????? ???????? ?????? ????? ?????? ???? ?????? ??? ????????? ???????. ???? ????? ?????? ??????? ??????? ??????? ????????? ???? ?????? ????? ?????? ?? ??????? ??? ?????? ??????? ??????? ??????? ??????? ???????. ???????? ??? ???? ????? ???????? ?????? ????? ?????? ???? ???? ??????? ?? ????? ?????? ???????? ??? ????? ?????? ?????? ?????? ?????????. ???? ????? ?????? ???????? ?? ?????? ??? ????????? ???? ??????? ??????? ?? Zhejiang Haishen. ???????? ???????? ?????? ????? ?????? 0.3? ???? ?? ???? ??????? ????? ?? ?????? ??????? ??????? ???????. ?????? ?????? HPMC ?????? ????????? ?????!