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??? ???? ?????????? ?????? ???????????? ??? ???? ???? ?????? ???? ????? ???????? ??????? ?????? ?? ??????? ?????? ???? ??? ????? ?????????? ?????? ???????. ??? ???? ???? ????? ?????? ??????? ?????? ?????? ??????? ??? ???? ???? ???????. ??????????? ????? ????? ?????? ??????? ??????? ????????? ?????????. ??? ???? Chongqing Science and Technology ?? ??????? ???????? ?????? Chongqing Jiangbeizui ???????? ??????? (CBD) ??? ????? ??? Yangtze ???? Jialing. ???? ?????? ????? 37 ?? ? ?????? ???? ???? 48300 ??? ???? (??? ?? ??? 30 ??? ??? ???? ??????? ????????) ???????? ?????? ???? 567 ????? ???? (??? ?? ??? 400 ????? ???? ??????? ?????? ???????? ? 167 ????? ???? ??????? ???????).