???? ???????? ?????? ????? ?????? 0.3 ??????? ?? ???? ??????? ???????

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