Zhongtiaoshan Nonferrous Metals Group plans to increase its copper capacity six-fold by 2007, Hong Kong's Standard reported. The company, considering a 2006 IPO, is building a 100,000-tonne refinery in Shanxi to increase full capacity to 120,000 tonnes of refined copper annually. Copper prices have been at an all-time high in recent months and China consumes a fifth of the global supply.