锶 mining
China's antimony mines have exposed mining, but also underground flat mining. The mining recovery rate of Aijingshanyu Mine in Lishui County, Jiangsu Province reached 90.3 % (1992). Sichuan Aikawa gangou a cave mining recovery rate 66.67%, copper Liang Sichuan Gap inclined mining, recovery rate of 90%. Township enterprises are generally open-pit mining by hand, and the production process is backward. Most of them are mining and abandoning poor mining. The recovery rate is only 40 % to 50 % , and the waste of resources is more serious.
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