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PERFO

Wushan Copper Mine, Jiangxi,China

Underground mining. Mining and mineral processing capacity: 3,300kt/a. Over 1000-meter-deep main shaft and service shaft + auxiliary decline. Downward drift cut-and-fill stoping, full tailings paste filling technology, leading in China.
Second prize of National Award for Outstanding Engineering Consultation Achievement.

2019天天看夜夜看狠狠看噜片_无码专区狠狠躁天天躁_台湾中文娱乐综合she天天_夜夜爽狠狠天天婷婷五月