Yunnan Copper received approval from the China Securities Regulatory Commission, the Kunming, Yunnan-based company said in a filing to Shenzhen Stock Exchange. It didn't' say what the money from the share sale will be used for, Bloomberg News said.

Shares in Yunnan Copper fell 5.4 percent to 12.79 yuan (US$1.65) last Friday. They have risen 128 percent in the past year compared with an 88 percent gain in the Shenzhen and Shanghai 300 Index, which tracks yuan-denominated A shares listed on the mainland's two exchanges.

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