???? ????? ??????? HPMC ????? ?????? ????? ????? ?????????

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