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???????? ????? ???????? (HEC) ???? ?????? ????? ???????????? ???? ?????? ??????? ???? ???? ????? ???????? ??????????? ??????? ??????? ?????????. ????? ???????? ?????? ?? ?????? ??? ?????? ???????? ??????? ????????? ??? ???? ????? ?????????? ?????? ?? ????????? ??????? ??? ?????. ???? Zhejiang Haishen New Materials Co., Ltd. ????? ?? ????? HEC? ???????? ?? ???????? ???????? ?????? ?????? ????? ?????? ???? ?????? ??????? ???????. ????? ???????? ????? ???????? ????? ??????? ??????? ?? ??????? ????????? ??????? ??? ????? ?????? ??????? ????????? ???? ????? ????? ??????? ??????. ?? ???????? ?????????? ???? ???????? ???? ???????? ????????? ??????? ?????? ?? ????? ???? ????? ?????? ?????? ?????????? ??????? ????????. ???? ???? Zhejiang Haishen New Materials Co., Ltd. ?????? ??? ???? ???????? ????? ???????? ???????? ?????? ?????? ???? ????? ????? ??????? ???????. ????? ??????? HEC ???? ????? ?? ???????? ?????
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- ????? ???????? ?????? ????? ?????? 0.3
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- ????? ????? ???????? ?????? ????? ?????? 0.5
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