"Since January, nine mining companies from outside China have either tapped the market or disclosed details of planned share sales, mostly initial public offerings. The latest two hopefuls are LontohCoal, a South Africa-headquartered coal miner whose main asset is in neighbouring Zimbabwe and which wants to raise up to US$500 million through an IPO, and Kazakhmys, a London-listed copper miner in Kazakhstan, which plans a secondary listing of its shares that could involve a share sale.