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