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同和矿业股份有限公司的小坂铜铅锌矿和冶炼厂已被称作“日本的布利登”。目前,小坂冶炼厂已从本州北部多金属硫化黑矿富矿中回收约12种工业品级的金属元素。
The Kozak Copper-Lead-Zinc Mine and smelter of Tonghe Mining Co., Ltd. have been called “Bredden of Japan”. Currently, Kosaka smelter has recovered about 12 industrial-grade metal elements from the polymetallic sulphide-rich ore mines in northern Honshu.