


本公司系經河南省經濟體制改革委員會豫股批字[1997]18號文批准,在對中外合資企業黃河金剛石有限公司整體改組基礎上,由黃河金剛石有限公司的各方股東,以其在黃河金剛石有限公司中的權益出資,共同作爲發起人,並採取社會募集的方式設立的股份有限公司。於1998年11月26日,本公司普通股(A股)股票在上海證券交易所掛牌交易。
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