??? ??? ????? ??????????: ???? ???????? ??????? ????????

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