Xi'an Hairun Environmental Protection Technology Co., Ltd. was established on November 24, 2011. It is a comprehensive enterprise integrating the research and development, production, sales and service of brighteners. Headquartered in Xi'an City Economic and Technological Development Zone, Shaanxi Province, it has two production and synthesis bases under its jurisdiction. Relying on the research and development strength of Shaanxi Chemical Research Institute, the company produces and sells fluorescent brighteners and dye additives covering more than 20 varieties in multiple series. They are widely used in printing and dyeing, papermaking, daily chemical, plastics, coatings and other industries, and are exported to Europe, America, Southeast Asia, India, Africa and other countries and regions.