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?? ????? ????? ???? ???????? ?????? (PVDF) ?? ???? Zhuhai Bangmo Technology Co., Ltd. ???????? ??????? ?????? ???????? ??? ????? ????????. ????? ??? ??????? ????????? ?????????? ??????????? ?????????? ???????? ?????? ??? ?????? ?????????? ??? ???? ??????? ?????????? ?? ??????? ???????? ?? ????? ????? PVDF ?????? ?????? ???? ????? ?? ????? ????? ???? ???????? ?????????? ??????? ??????? ??????. ???? ?????? ??????? ?????? ?????? ??????? ???????? ???? ???????? ??????? ???? ?? ?????? ?????? ?? ?????????? ?????????? ?? ?????? ???????? ?????? ???? Zhuhai Bangmo Technology Co., Ltd. ?? ???? ???????? ??????? ?????? ?????? ??????? ?????? ????? ???? ???????? ???????. ???? ???????? ????????? ???? ??????? ???? ??????? ??? ?????? ????? ?????? ?????????? ???????? ??? ???? ??????? ????????? ??????????? ???? ????? PVDF ?????? ??? ?????? ??? ???? ????? ?? ???? ???? ?????? ????? ??????? ?????? ?? ??? ???? ????? ?? ???? Bangmo ???????? ?? ??????