Zhengguang was found in 1969, has almost 50 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". It has ISO9001, ISO 14001 certificate, OHSAS 18001 certificate. Food grade resins have WQA certificate, Halal Certificate and Kosher Certificate.
"Zhengguang" and "Hydrolite" brands resins are now selling to all the provinces in China, apply to power, electronic, nuclear energy, chemicals, light industry, pharmaceuticals, food industry, beverage, metallurgy and environmental industries, we also sell products to America, Europe, Africa and Asia countries. Zhengguang enjoys great reputation among customers for good quality and excellent technical service.