Indonesia’s government has set the benchmark copper concentrate price in May at US$2,431 per WE, increased by 1.22% from that of April 2018. Director General of Foreign Trade for Trade Ministry Oke Nurwan said in a press release on that the decreased price was driven by the fluctuation in the mineral price in the April 2018. This price is stipulated in Regulation of the Minister of Trade No.57 of 2018, signed on April 24, 2018.