September 20, 2012 (Chinavestor) Domestic companies in China. There are currently about 58 bauxite mining enterprises operating in the industry, up from 24 in 2006. However, Aluminum Corporation of China Limited (NYSE:ACH) (HKG:2600) dominated this market with a market share of 55.5%. In 2008, because raised environment concern, China implemented Energy Conservation and Emissions Reduction policy. This policy adds pressure on low operational efficiency small companies in this industry. It force them either merge with large companies or exit the market. As a result, growth in numbers of companies in this industry has slow down. This may help Aluminum Corporation of China (NYSE:ACH) (HKG:2600) enforce its dominant market position.