????? ???? ???????? ?????? ????? ???????? ?? ?????? ?????? ???????

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