Ningbo Zhengguang Resin Co., Ltd. Is wholly-owned production Base of Zhejiang Zhengguang Industrial Co., Ltd. "Zhengguang" is one of the most influential Chinese ion exchange resin manufacture and application company. It was found in October 1969 and has more than 43 years experiences in Ion exchange resin research, development and manufacture history. Zhengguang is also the vice chairman of the China Ion Exchange Resin Committee and a member of WQA.

Ningbo Zhengguang Resin CO., Ltd is located in NINGBO PETROCHEMICAL ECONOMIC DEVELOPMENT ZONE. The Zone total planning area is 56.22 square kilometers and formally approved by the Chinese State Council as a national development zone in December 30th 2011. The NINGBO PETROCHEMICAL ECONOMIC DEVELOPMENT ZONE has the country's largest liquid chemical dock, the country's largest petrochemical refining enterprises Zhenhai Refining and many chemical companies. These chemical companies provide a convenient approach to purchase raw material, and by the same time, the nearby BEILUN port also provides a convenient conditions for the raw material and products import and export.