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PERFO

Xincheng Gold Mine, Shandong, China

Underground mining. Mining and mineral processing capacity: 2,640kt/a. Shaft + auxiliary decline. Main shaft depth: 1,527m. Mining depth: 1,860m.
First prize of Ministerial 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