Yunnan speckle copper is come from nonferrous metal kingdom of Yunnan province, which is well known and unique type copper alloy smelt product in the world.
云南斑铜在素有“有色金属王国”之称的云南诞生,是云南独特的铜合金冶炼技术产品,在世界上享有一定的知名度。
Jiangxi province is a big nonferrous metal producer that has a long mining history and where the producing areas are concentrated and some world class mines were build in succession.
江西省是有色金属矿产大省,开采历史悠久,产地集中,并陆续集成了一批世界级矿山。
Jiangxi province is a big nonferrous metal producer that has a long mining history and where the producing areas are concentrated and some world class mines were build in succession.
江西省是有色金属矿产大省,开采历史悠久,产地集中,并陆续集成了一批世界级矿山。
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