What are the big companies in China Aluminum Industry?

Aluminum Corporation of China, shandong aluminum industry Company, China Great Wall Aluminum Company, Guizhou Aluminum Factory, Shanxi Aluminum Factory, Pingguo Aluminum Company, Zhongzhou Aluminum Factory, Qinghai Aluminum Company, Shaanxi Nonferrous Metals Holding Group Co., Ltd., Zhengzhou Light Metal Research Institute, Luoyang Nonferrous Metals Processing Design and Research Institute, China Nonferrous Metals Industry Sixth Metallurgical Construction Company, Zhongse Twelfth Metallurgical Construction Company, Southwest Aluminum (Group) Co., Ltd. and Baotou Aluminum (Group) Co., Ltd. Chinalco International Engineering Co., Ltd., Chinalco Ruimin Aluminum Strip Co., Ltd., Ltd., Chinalco Southwest Aluminum Strip Co., Ltd., Shanxi Carbon Factory, Chinalco Real Estate Development Co., Ltd., Chinalco Henan Aluminum Co., Ltd., Chinalco Luoyang Copper Co., Ltd., Chinalco Huazhong Copper Co., Ltd., Chinalco Southwest Aluminum Cold Rolled Strip Co., Ltd., Fushun Titanium Industry, etc.