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????? ???? Rika Sensors? ???????? ?? ????? ???? ??????? ????????? ????? ?????? ??????? ????????? ?????? ??????? ????? Hunan Rika Electronic Tech Co.,Ltd. ?? ???? ????? ?????????? ??????? ???????? ?????? ????? ???????? ?????? ???????? ?????? ??????? ???????? ?? ?????? ???? ????? ??????. ????? ???????? ????? ?????? ?????? ???? ????? ??????? ??????. ?????? ????? ?????? ??????? ???? ?????? ?????????? ??? ?????? ????? ??????? ????? ???? ????. ??? ???? ?????? ??? ?? ???? ??? ????? ??????? ??????????? ?? ???? ????? ?????????? ???????. (???????? ?????? ???? ?????? ???? ??????? ?? ????? ???? ?????? ?? ????).