戴比尔斯宣布减少毛坯钻供应量

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       daibiersizaibociwanadesuoyouzuanshichanchuzhong，you15%jiangtongguookavangozuanshigongsi（dangdideguoyingdanwei）jinxingxiaoshou，ershengyude85%chanpinzetongguogss（global sightholder sales）jinxinggongkaixiaoshou。wulunruhe，bociwanadeqiemogongchangdoujuyouyidingdehuoyuanbaozhang，zheiyeshi2011niandaibiersiyugaiguozhengfuqiandingdexieyizhongsuoguidingdetiaoli。julejie，gaixieyijiangzaimingniangengxinbingxuqian。ernamibiyafangmiandeqingkuangyeyucixiangleisi。

       zhideyitideshi，dangqianmaopizuanjiageyiranbaochiwending。xingzuankejishichangyanjiuyuanbiaoshi，zaozai2014niandaibiersijiucengjinggaoquanqiuzuanshichanliangjiangcong2020nianqikaishixiajiang，cicixuanbujianchan，wuyishiduidangnianyuyandeyizhongyinzheng。suirancongmuqianlaikan，gedidezuanshixingyedeqianjinghaishijijide，danyouzhikuangchanderiyijianshao，shidaozhidaierbisijianshaochanliangdezuigenbenyuanyin。