In 2011, Shandong Province surpassed Henan Province to become the largest alumina production country in China, with a production of 10.9307 million tons, a year-on-year increase of 21.81%; Henan Province's alumina production reached 10.4159 million tons, an increase of 9.03% year-on-year, ranking second in the country. The production of alumina in the two provinces accounts for nearly two-thirds of the total national production. Cnc Milling Machine,Cnc Mill,Desktop Cnc Mill,Mini Cnc Mill Taizhou Jiangzhou CNC Machine Tool Manufacturing Co.,Ltd , https://www.machinetzjz.com
