国产一级18片视频-91精品一区二区-成人观看-久久99久久99-久操福利-国产乱淫av片免费-久久精品无码av-www.精品视频-成人毛片大全-日本丰满bbwbbw厨房-隣の若妻さん波多野结衣-欧美亚洲专区-欧美性猛交xxxxx水多-国产欧美一级-中文字幕日日夜夜

Dairi lead-zinc mine project

The Dairi lead-zinc mine?project, located in the northwestern part of Sumatra, Indonesia, is a world-class,?high-grade lead-zinc deposit that has yet to be developed. It contains lead and zinc metal resources of approximately 3.58 million tonnes. Currently under construction, the project?is designed with an annual ore processing capacity of 1 million tonnes. Once completed, it is expected to become a globally significant lead and zinc production base and help ease supply pressures?for?these metals in China.


Produced By CMS 網站群內容管理系統 publishdate:2026-01-05 16:51:16