In October 2014, China machinery industry science and technology award announced, my company ZWX (1000 ~ 1800) large evaporation circulation pump project won the third prize. The project product large evaporation circulating pumps are widely used in vacuum salt, Glauber's salt alkali, alumina, flue gas desulfurization wastewater treatment, chemical waste comprehensive utilization field, and its comprehensive technical performance in the domestic leading level of similar products.