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???? ?????? ?????????? ???????? ???

??????? ??????????? ???????????????????? ??????????? Shandong Agricultural University??? ????????????? ?????????? ??????????, ????????????????? ????????? (?? ????????????), ????????????????? ??????? (?? ????????????).

? 1995 ???? ??? ????? ????? ???? ???????????????? ????????????. ???? ??????? ????? ? ???????? Shandong Jinbao Electronics Co., Ltd., ????????? ?????????? ???????????? ? ?????? ????????????? ??????? ?, ????? ??????? ? ???????? ???????? ? ????????? ? Yantai Pingxin Certified Public Accountants Co., Ltd. ??????? ????????? ???????? ????????? ?? ?????? ?????????, ????? ??? Shandong Zhaojin Group Co., Ltd., Gansu Zhaojin Precious Metals Smelting Co., Ltd., ? ? ????????? ????? ???????? ???????????? ???????????? ????????? Zhaojin Non-ferrous Mining Co., Ltd.

?-? ??? ????? ????? ??????? ???????????? ???? ? ??????? ??????????? ???????????, ????????? ?????????? ???????? ? ?????????, ?????????? ???????????? ? ????? ?????? ???????? ??????????, ??????????? ??????, ???????????? ?????????? ? ?????? ??????? ????????.