Zhejiang Zhengguang Industrial Co., Ltd. engages in the research, development, manufacture, and sale of ion exchange resins, biochemical separation mediums, and macroporous adsorbents in China. Its products portfolio includes general, dual and floating bed, mixed bed, acrylic acid, chelation, hydrometallurgical, catalyst, decolorizing, indicator, powdered, and uniform particle size resins; and potable water treatment products, as well as resins for the sweetener industry. The company was founded in 1969 and is based in Hangzhou, China.