Below, a photo of a woman recycling a piece of imported American scrap metal inside of an industrial-scale motor scrap recycling (and copper smelting) operation south of Shanghai.
Recent years' geological exploration has confirmed that the proved copper reserves in Dabaoshan copper(silver) polymetallic ore field has reached middle scale.
云南维西大宝山铜（银）多金属矿区通过近年的地质勘查，探明的铜资源量已达中型规模。
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Verified test with a copper sulphide ore was carried in laboratory scale.