Zhejiang Hongyi Chemical Co., Ltd. is located in the industrial zone of Longquan City, Zhejiang Province. The company was established in 2018. After years of development, the company has built a research and development center and two production bases; established research and development cooperation with many domestic double first-class universities; participated in the formulation of national standards; is a company integrating fluorescent whitening agent research and development, production, sales, and technical services. National high-tech enterprise. Hongyi Chemical's fluorescent brightener market share continues to grow, it has deepened its domestic end customers and strived to expand the European, African, and Southeast Asian markets. It has now established an overseas office in Haiphong, Vietnam. Facing the 21st century, Hongyi Chemical will continue to innovate, be market-oriented, and create value for all partners with better quality, efficient and convenient application technology services, and high cost-effectiveness based on customer needs. We are willing to accompany you with our sincerity to create a better future!