Rhodium testing [Yunnan rhodium ore testing]

Inspection/Consultation (Wang Li)
The metallurgical industry is mainly engaged in the mining and smelting of non-ferrous metals and is an important production base of non-ferrous metals in China. Among them, the Gejiu tin mine is world-famous, with its output ranking first in the country. Yongsheng, Yimen, Dongchuan is known as the Tin Capital and is the main copper producing area. The copper produced in the Dongchuan Copper Mine has a silver-like color and is called cloud copper. Lanping lead-zinc mine has large and concentrated reserves, is of high grade and is easy to mine, and its smelting scale is also large, followed by Huiyi and other places. In the steel industry, the output of pig iron and steel products has grown fastest. Among them, high-quality and small-sized profiles are basically self-sufficient. The Kunming Iron and Steel Works near Anning has developed into a medium-sized steel complex including mining, ironmaking, steelmaking and steel rolling.