Western Mining Co, a Chinese producer of zinc, nickel and copper, plans to announce the price range for its Shanghai initial share sale on July 2.

The company plans to sell as many as 500 million shares to expand production and purchase stakes from other miners, it said in a statement to Shanghai's stock exchange today, according to Bloomberg.

If Western Mining sells more than 400 million shares, no more than 125 million will be sold to institutional investors, the Xining, Qinghai-based company said.

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