Water Treatment Agent is one of the most widely used and largest amount of special products in the current water industry, pollution control and water saving and reuse treatment engineering technology, including flocculants, scale inhibitors and dispersants, corrosion inhibitors, biocides, etc., which are mainly used to remove suspended solids and toxic substances in water, control the formation of scale, sludge, reduce the corrosion of water contact materials, deodorize and sterilize, decolorize, soften, stabilize the water quality and seawater.Water treatment agents are widely used in chemical, petroleum, petrochemical, mining, light industry, daily chemicals, textile, printing and dyeing, ceramics, paper, paint, construction, metallurgy, machinery, medicine and health, transportation, urban and rural environmental protection, agriculture, food processing, electronic cleaning and other industries, in order to achieve the purpose of saving water, preventing pollution of the water source and ensuring the effective operation of processing and manufacturing.