In the southeast Guangxi Province a second-phase project was formally electrified and roasted.The project is the second phase of 500,000 tons expansion project. The building scale is 250kt/a refined aluminium (420KA pre-baked anode cell). The planned investment is 1 billion yuan. The first-phase project of 250,000 annual capacity of primary aluminium has been in operation since May.12th, 2009. The second-phase project was stated on Nov.11th, 2016.