???? Ultrafilter: ????? ????? ?????? ???????? ??????????? ????????

???? ???? Ultrafilter ?? Zhuhai Bangmo Technology Co., Ltd. ?????? ?????? ?? ????????? ????? ??????? ??? ???? ?????? ??????? ????????? ???????? ?????????. ?? ????? ??? ?????? ????? ??? ???? ??????? ????????? ????????? ?? ?????? ???????? ??? ???? ??????? ????? ????? ??????? ????? ????? ??????? ???????? ??? ????? ??????? ??? ???? ????? ???? ??? ?? ???? ???? ?????? ?????? ??????? ?????????. ?? ????? ???? Ultrafilter ????? ?????? ?????? ??????? ????????? ?????? ?????? ???? ?????? ?????? ?? ?????? ???????? ??? ????? ??????? ??????? ????????? ???? Zhuhai Bangmo Technology Co., Ltd. ???????? ????????? ?????????? ??? ???? ?? ??? ?????? ?? ???? ?????? ???? ?????? ??????? ????? ?? ??? ?????? ????? ???? ???????. ?? ????? ??????? ????????? ??????? ???????? ??? ???? Ultrafilter ???? ?????? ?????? ????? ?????? ?? ?????? ?????? ???? ?????? ??????. ?????? ????? ???? ????? ?????? ?? ????? ???? ??? ?????? ???? ????? ??? ????