Ningbo Zhengguang Resin Co.,Ltd is one of the biggest ion exchange resin manufacturers in China, focus on the production of ion exchange resins, biochemical separation mediums and Macroporous adsorbents.

Zhengguang was found in 1969, has more than 40 years experiences in ion exchange resin research, development and manufacture. Zhengguang is the vice chairman of the China Ion Exchange Resin Committee and a member of WQA. Registered trading marks are “Zhengguang” and “Hydorlite”.