أخبار

??????? ????????? ???????? ????? ????? ????? ???? ??????? ????????? ???????? ?????? ????? ??????? UL ????? ??? ??????? ??????? ???????? ???? ??? ??? ??? ??????. ??? ??? ???????? ?????? ?? ????? ?????? ?????? ???????? ???? ?????? ??????? ????????? ??????? ????????? ????????? ?????????? ?????? ?????? ????????? ??????? ??????? ??? ??? ???????. ??? ??? ?????? ????? ??????? ??????? ?????? ?????? ?????? ?? UL ?? ??????? ??????? ?????? ?????? ?? ????? ????? ?????? ????? ????? ???? ???????? ?????????? ?????? ?????? ??????? ?????? ????????? ???? ??????? ???????? ??????? ???????. ???? ????? JIAHUI ??????? ?? ?????? ???????? ?????? ??? ??? ????? ???????.

????? ????????? ????????? ?????? ??? ????? ????? ?????? ?????? ?????? ?????? ?? ??????? ??????? ???????? ???????? ?????? ??????????? ???????? ???????? ??????????? ??????? ??????? ??????. ?????????? ?? ?????? ??? ??? ?????? ??? ??????? ??????? ?? ???? ????? ?????? ?????? ?????? ???????? ?? ????? ????????? ???? ????? ??????? ?? ????? ???????? ?????? ????? ???????? ??????? ???????? ?????????? ?????? ??????? ???????? ???? ??????? ?????? ????? ??????? ?????? ????.

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????? ??? ??????? ?? ?????? ??????? ???????? ???? ????? 99.97% ???? 8 ????? ?? ????? ?????? ??? ????? ????? ????? ????? ?????? ???????? ????????. ????? ????? ????? ???????? ??????? ??? ????? ????? (400×600 ??) ??? ??????? ?????? ??? ?????? ????????. ???? ?? ???? ????? ???? ?????? ?????? ?????? ?????? ??????? ???? ?? ?????? ???? ??????? ??? ????? ???????? ?????? ?? ?????? ????????.