Established in 2018, Zhejiang Hongyi Chemical Co., Ltd. is strategically located in the industrial zone of Longquan City, Zhejiang Province. Over the years, the company has made significant strides in its development, establishing a robust research and development center and two production bases. Hongyi has forged collaborative research partnerships with several renowned universities in China, contributing to the formulation of national standards. As a national high-tech enterprise, Hongyi specializes in the research, development, manufacturing, and technical servicesof fluorescent brightening agents. Hongyi's market share in the field of fluorescent brightening agents continues to expand significantly. We are deeply committed to serving our domestic end customers and are actively extending our reach into the European, African, and Southeast Asian markets. Our efforts have established an overseas office in Hai Phong, Vietnam. As we look towards the 21st century, Hongyi is dedicated to continuous innovation and market-driven development. We prioritize our customers' needs and strive to provide reliable quality, efficient and convenient application technology services, and cost-effective solutions to create value for all our partners. We are eager to accompany you with sincerity and work together to build a bright future.