China smelter group agrees to lower Q1 copper charges
The charges tend to fall when ore supply declines and rise when more concentrate is available.
China’s first precious metals spot exchange began trading Tuesday in Chengzhou in Hunan Province.
The Hunan South Rare Precious Metals Exchange is based in China’s silver capital in Yongxing County. Its first four products to be listed are silver, bismuth, indium and tellurium.