联合对外 meaning in English

concerted action towards our foreign counterparts

Wei jianguo , a vice - minister for commerce , the ministry responsible for trade , said china would establish negotiating groups “ as soon as possible ” covering oil , alumina and copper , in the same way it did for iron ore this year
商务部负责贸易工作的副部长魏建国表示，中国将参照今年的铁矿石统一谈判模式， “尽快”启动原油、氧化铝、铜精矿等商品的联合对外谈判机制。