Through the joint efforts of all parties, the work relating to rectification of the integrated water system of Chalco Mining has achieved remarkable results: perfecting the metering system for production water, domestic water and reclaimed water has laid a foundation for the management of the water system; effectively control of the consumption of new water has made the consumption of new water per unit of produced alumina gradually decreasing from of 2018; reclaimed water has been fully utilised, and the utilisation of reclaimed water has gradually increased from 1.1 million metric tons in 2016 to 2 million metric tons in the year of 2018; the quality of circulating water has also been significantly improved.